25528100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 60699240

約数和(自身を除く): 35171140

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 130, 146, 260, 269, 292, 325, 365, 538, 650, 730, 949, 1076, 1300, 1345, 1460, 1825, 1898, 2690, 3497, 3650, 3796, 4745, 5380, 6725, 6994, 7300, 9490, 13450, 13988, 17485, 18980, 19637, 23725, 26900, 34970, 39274, 47450, 69940, 78548, 87425, 94900, 98185, 174850, 196370, 255281, 349700, 392740, 490925, 510562, 981850, 1021124, 1276405, 1963700, 2552810, 5105620, 6382025, 12764050, 25528100]

約数ペア:

[(1, 25528100), (2, 12764050), (4, 6382025), (5, 5105620), (10, 2552810), (13, 1963700), (20, 1276405), (25, 1021124), (26, 981850), (50, 510562), (52, 490925), (65, 392740), (73, 349700), (100, 255281), (130, 196370), (146, 174850), (260, 98185), (269, 94900), (292, 87425), (325, 78548), (365, 69940), (538, 47450), (650, 39274), (730, 34970), (949, 26900), (1076, 23725), (1300, 19637), (1345, 18980), (1460, 17485), (1825, 13988), (1898, 13450), (2690, 9490), (3497, 7300), (3650, 6994), (3796, 6725), (4745, 5380)]