25240020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32359}}^1$

素因数の和:32384

約数の個数: 48

約数和(自身を含む): 76110720

約数和(自身を除く): 50870700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 32359, 64718, 97077, 129436, 161795, 194154, 323590, 388308, 420667, 485385, 647180, 841334, 970770, 1262001, 1682668, 1941540, 2103335, 2524002, 4206670, 5048004, 6310005, 8413340, 12620010, 25240020]

約数ペア:

[(1, 25240020), (2, 12620010), (3, 8413340), (4, 6310005), (5, 5048004), (6, 4206670), (10, 2524002), (12, 2103335), (13, 1941540), (15, 1682668), (20, 1262001), (26, 970770), (30, 841334), (39, 647180), (52, 485385), (60, 420667), (65, 388308), (78, 323590), (130, 194154), (156, 161795), (195, 129436), (260, 97077), (390, 64718), (780, 32359)]