25266200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 63426000

約数和(自身を除く): 38159800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 61, 76, 95, 100, 109, 122, 152, 190, 200, 218, 244, 305, 380, 436, 475, 488, 545, 610, 760, 872, 950, 1090, 1159, 1220, 1525, 1900, 2071, 2180, 2318, 2440, 2725, 3050, 3800, 4142, 4360, 4636, 5450, 5795, 6100, 6649, 8284, 9272, 10355, 10900, 11590, 12200, 13298, 16568, 20710, 21800, 23180, 26596, 28975, 33245, 41420, 46360, 51775, 53192, 57950, 66490, 82840, 103550, 115900, 126331, 132980, 166225, 207100, 231800, 252662, 265960, 332450, 414200, 505324, 631655, 664900, 1010648, 1263310, 1329800, 2526620, 3158275, 5053240, 6316550, 12633100, 25266200]

約数ペア:

[(1, 25266200), (2, 12633100), (4, 6316550), (5, 5053240), (8, 3158275), (10, 2526620), (19, 1329800), (20, 1263310), (25, 1010648), (38, 664900), (40, 631655), (50, 505324), (61, 414200), (76, 332450), (95, 265960), (100, 252662), (109, 231800), (122, 207100), (152, 166225), (190, 132980), (200, 126331), (218, 115900), (244, 103550), (305, 82840), (380, 66490), (436, 57950), (475, 53192), (488, 51775), (545, 46360), (610, 41420), (760, 33245), (872, 28975), (950, 26596), (1090, 23180), (1159, 21800), (1220, 20710), (1525, 16568), (1900, 13298), (2071, 12200), (2180, 11590), (2318, 10900), (2440, 10355), (2725, 9272), (3050, 8284), (3800, 6649), (4142, 6100), (4360, 5795), (4636, 5450)]