31769660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1814

約数の個数: 48

約数和(自身を含む): 72902592

約数和(自身を除く): 41132932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1721, 1846, 3442, 3692, 4615, 6884, 8605, 9230, 17210, 18460, 22373, 34420, 44746, 89492, 111865, 122191, 223730, 244382, 447460, 488764, 610955, 1221910, 1588483, 2443820, 3176966, 6353932, 7942415, 15884830, 31769660]

約数ペア:

[(1, 31769660), (2, 15884830), (4, 7942415), (5, 6353932), (10, 3176966), (13, 2443820), (20, 1588483), (26, 1221910), (52, 610955), (65, 488764), (71, 447460), (130, 244382), (142, 223730), (260, 122191), (284, 111865), (355, 89492), (710, 44746), (923, 34420), (1420, 22373), (1721, 18460), (1846, 17210), (3442, 9230), (3692, 8605), (4615, 6884)]