15019940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1409}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 34821360

約数和(自身を除く): 19801420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1409, 2132, 2665, 2818, 5330, 5636, 7045, 10660, 14090, 18317, 28180, 36634, 57769, 73268, 91585, 115538, 183170, 231076, 288845, 366340, 577690, 750997, 1155380, 1501994, 3003988, 3754985, 7509970, 15019940]

約数ペア:

[(1, 15019940), (2, 7509970), (4, 3754985), (5, 3003988), (10, 1501994), (13, 1155380), (20, 750997), (26, 577690), (41, 366340), (52, 288845), (65, 231076), (82, 183170), (130, 115538), (164, 91585), (205, 73268), (260, 57769), (410, 36634), (533, 28180), (820, 18317), (1066, 14090), (1409, 10660), (2132, 7045), (2665, 5636), (2818, 5330)]