25667980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{367}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 58423680

約数和(自身を除く): 32755700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 367, 538, 734, 1076, 1345, 1468, 1835, 2690, 3497, 3670, 4771, 5380, 6994, 7340, 9542, 13988, 17485, 19084, 23855, 34970, 47710, 69940, 95420, 98723, 197446, 394892, 493615, 987230, 1283399, 1974460, 2566798, 5133596, 6416995, 12833990, 25667980]

約数ペア:

[(1, 25667980), (2, 12833990), (4, 6416995), (5, 5133596), (10, 2566798), (13, 1974460), (20, 1283399), (26, 987230), (52, 493615), (65, 394892), (130, 197446), (260, 98723), (269, 95420), (367, 69940), (538, 47710), (734, 34970), (1076, 23855), (1345, 19084), (1468, 17485), (1835, 13988), (2690, 9542), (3497, 7340), (3670, 6994), (4771, 5380)]