13350920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 34516800

約数和(自身を除く): 21165880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1597, 1672, 2090, 3194, 4180, 6388, 7985, 8360, 12776, 15970, 17567, 30343, 31940, 35134, 60686, 63880, 70268, 87835, 121372, 140536, 151715, 175670, 242744, 303430, 333773, 351340, 606860, 667546, 702680, 1213720, 1335092, 1668865, 2670184, 3337730, 6675460, 13350920]

約数ペア:

[(1, 13350920), (2, 6675460), (4, 3337730), (5, 2670184), (8, 1668865), (10, 1335092), (11, 1213720), (19, 702680), (20, 667546), (22, 606860), (38, 351340), (40, 333773), (44, 303430), (55, 242744), (76, 175670), (88, 151715), (95, 140536), (110, 121372), (152, 87835), (190, 70268), (209, 63880), (220, 60686), (380, 35134), (418, 31940), (440, 30343), (760, 17567), (836, 15970), (1045, 12776), (1597, 8360), (1672, 7985), (2090, 6388), (3194, 4180)]