40608490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1307}}^1$

素因数の和:1566

約数の個数: 32

約数和(自身を含む): 79107840

約数和(自身を除く): 38499350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 478, 1195, 1307, 2390, 2614, 3107, 6214, 6535, 13070, 15535, 16991, 31070, 33982, 84955, 169910, 312373, 624746, 1561865, 3123730, 4060849, 8121698, 20304245, 40608490]

約数ペア:

[(1, 40608490), (2, 20304245), (5, 8121698), (10, 4060849), (13, 3123730), (26, 1561865), (65, 624746), (130, 312373), (239, 169910), (478, 84955), (1195, 33982), (1307, 31070), (2390, 16991), (2614, 15535), (3107, 13070), (6214, 6535)]