415220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 939624

約数和(自身を除く): 524404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1597, 3194, 6388, 7985, 15970, 20761, 31940, 41522, 83044, 103805, 207610, 415220]

約数ペア:

[(1, 415220), (2, 207610), (4, 103805), (5, 83044), (10, 41522), (13, 31940), (20, 20761), (26, 15970), (52, 7985), (65, 6388), (130, 3194), (260, 1597)]