1520407880

素因数分解:

$2^3\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{23801}}^1$

素因数の和:25409

約数の個数: 32

約数和(自身を含む): 3423203640

約数和(自身を除く): 1902795760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1597, 3194, 6388, 7985, 12776, 15970, 23801, 31940, 47602, 63880, 95204, 119005, 190408, 238010, 476020, 952040, 38010197, 76020394, 152040788, 190050985, 304081576, 380101970, 760203940, 1520407880]

約数ペア:

[(1, 1520407880), (2, 760203940), (4, 380101970), (5, 304081576), (8, 190050985), (10, 152040788), (20, 76020394), (40, 38010197), (1597, 952040), (3194, 476020), (6388, 238010), (7985, 190408), (12776, 119005), (15970, 95204), (23801, 63880), (31940, 47602)]