40659970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1217}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 79189488

約数和(自身を除く): 38529518

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 1217, 1285, 2434, 2570, 3341, 6085, 6682, 12170, 15821, 16705, 31642, 33410, 79105, 158210, 312769, 625538, 1563845, 3127690, 4065997, 8131994, 20329985, 40659970]

約数ペア:

[(1, 40659970), (2, 20329985), (5, 8131994), (10, 4065997), (13, 3127690), (26, 1563845), (65, 625538), (130, 312769), (257, 158210), (514, 79105), (1217, 33410), (1285, 31642), (2434, 16705), (2570, 15821), (3341, 12170), (6085, 6682)]