20136422500

素因数分解:

$2^2\times 5^4\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1831}}^1$

素因数の和:1991

約数の個数: 120

約数和(自身を含む): 45430507584

約数和(自身を除く): 25294085084

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 83, 100, 106, 125, 166, 212, 250, 265, 332, 415, 500, 530, 625, 830, 1060, 1250, 1325, 1660, 1831, 2075, 2500, 2650, 3662, 4150, 4399, 5300, 6625, 7324, 8300, 8798, 9155, 10375, 13250, 17596, 18310, 20750, 21995, 26500, 33125, 36620, 41500, 43990, 45775, 51875, 66250, 87980, 91550, 97043, 103750, 109975, 132500, 151973, 183100, 194086, 207500, 219950, 228875, 303946, 388172, 439900, 457750, 485215, 549875, 607892, 759865, 915500, 970430, 1099750, 1144375, 1519730, 1940860, 2199500, 2288750, 2426075, 2749375, 3039460, 3799325, 4577500, 4852150, 5498750, 7598650, 8054569, 9704300, 10997500, 12130375, 15197300, 16109138, 18996625, 24260750, 32218276, 37993250, 40272845, 48521500, 60651875, 75986500, 80545690, 94983125, 121303750, 161091380, 189966250, 201364225, 242607500, 379932500, 402728450, 805456900, 1006821125, 2013642250, 4027284500, 5034105625, 10068211250, 20136422500]

約数ペア:

[(1, 20136422500), (2, 10068211250), (4, 5034105625), (5, 4027284500), (10, 2013642250), (20, 1006821125), (25, 805456900), (50, 402728450), (53, 379932500), (83, 242607500), (100, 201364225), (106, 189966250), (125, 161091380), (166, 121303750), (212, 94983125), (250, 80545690), (265, 75986500), (332, 60651875), (415, 48521500), (500, 40272845), (530, 37993250), (625, 32218276), (830, 24260750), (1060, 18996625), (1250, 16109138), (1325, 15197300), (1660, 12130375), (1831, 10997500), (2075, 9704300), (2500, 8054569), (2650, 7598650), (3662, 5498750), (4150, 4852150), (4399, 4577500), (5300, 3799325), (6625, 3039460), (7324, 2749375), (8300, 2426075), (8798, 2288750), (9155, 2199500), (10375, 1940860), (13250, 1519730), (17596, 1144375), (18310, 1099750), (20750, 970430), (21995, 915500), (26500, 759865), (33125, 607892), (36620, 549875), (41500, 485215), (43990, 457750), (45775, 439900), (51875, 388172), (66250, 303946), (87980, 228875), (91550, 219950), (97043, 207500), (103750, 194086), (109975, 183100), (132500, 151973)]