1638195260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103291}}^1$

素因数の和:103374

約数の個数: 48

約数和(自身を含む): 3765613152

約数和(自身を除く): 2127417892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 15860, 103291, 206582, 413164, 516455, 1032910, 1342783, 2065820, 2685566, 5371132, 6300751, 6713915, 12601502, 13427830, 25203004, 26855660, 31503755, 63007510, 81909763, 126015020, 163819526, 327639052, 409548815, 819097630, 1638195260]

約数ペア:

[(1, 1638195260), (2, 819097630), (4, 409548815), (5, 327639052), (10, 163819526), (13, 126015020), (20, 81909763), (26, 63007510), (52, 31503755), (61, 26855660), (65, 25203004), (122, 13427830), (130, 12601502), (244, 6713915), (260, 6300751), (305, 5371132), (610, 2685566), (793, 2065820), (1220, 1342783), (1586, 1032910), (3172, 516455), (3965, 413164), (7930, 206582), (15860, 103291)]