259609870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{7369}}^1$

素因数の和:7660

約数の個数: 32

約数和(自身を含む): 505169280

約数和(自身を除く): 245559410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 542, 1355, 2710, 3523, 7046, 7369, 14738, 17615, 35230, 36845, 73690, 95797, 191594, 478985, 957970, 1996999, 3993998, 9984995, 19969990, 25960987, 51921974, 129804935, 259609870]

約数ペア:

[(1, 259609870), (2, 129804935), (5, 51921974), (10, 25960987), (13, 19969990), (26, 9984995), (65, 3993998), (130, 1996999), (271, 957970), (542, 478985), (1355, 191594), (2710, 95797), (3523, 73690), (7046, 36845), (7369, 35230), (14738, 17615)]