20610323750

素因数分解:

$2^1\times 5^4\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{883}}^1$

素因数の和:1239

約数の個数: 80

約数和(自身を含む): 39369597696

約数和(自身を除く): 18759273946

約数列:

[1, 2, 5, 10, 25, 50, 71, 125, 142, 250, 263, 355, 526, 625, 710, 883, 1250, 1315, 1766, 1775, 2630, 3550, 4415, 6575, 8830, 8875, 13150, 17750, 18673, 22075, 32875, 37346, 44150, 44375, 62693, 65750, 88750, 93365, 110375, 125386, 164375, 186730, 220750, 232229, 313465, 328750, 464458, 466825, 551875, 626930, 933650, 1103750, 1161145, 1567325, 2322290, 2334125, 3134650, 4668250, 5805725, 7836625, 11611450, 11670625, 15673250, 16488259, 23341250, 29028625, 32976518, 39183125, 58057250, 78366250, 82441295, 145143125, 164882590, 290286250, 412206475, 824412950, 2061032375, 4122064750, 10305161875, 20610323750]

約数ペア:

[(1, 20610323750), (2, 10305161875), (5, 4122064750), (10, 2061032375), (25, 824412950), (50, 412206475), (71, 290286250), (125, 164882590), (142, 145143125), (250, 82441295), (263, 78366250), (355, 58057250), (526, 39183125), (625, 32976518), (710, 29028625), (883, 23341250), (1250, 16488259), (1315, 15673250), (1766, 11670625), (1775, 11611450), (2630, 7836625), (3550, 5805725), (4415, 4668250), (6575, 3134650), (8830, 2334125), (8875, 2322290), (13150, 1567325), (17750, 1161145), (18673, 1103750), (22075, 933650), (32875, 626930), (37346, 551875), (44150, 466825), (44375, 464458), (62693, 328750), (65750, 313465), (88750, 232229), (93365, 220750), (110375, 186730), (125386, 164375)]