25529660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 58212000

約数和(自身を除く): 32682340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 659, 745, 1318, 1490, 1937, 2636, 2980, 3295, 3874, 6590, 7748, 8567, 9685, 13180, 17134, 19370, 34268, 38740, 42835, 85670, 98191, 171340, 196382, 392764, 490955, 981910, 1276483, 1963820, 2552966, 5105932, 6382415, 12764830, 25529660]

約数ペア:

[(1, 25529660), (2, 12764830), (4, 6382415), (5, 5105932), (10, 2552966), (13, 1963820), (20, 1276483), (26, 981910), (52, 490955), (65, 392764), (130, 196382), (149, 171340), (260, 98191), (298, 85670), (596, 42835), (659, 38740), (745, 34268), (1318, 19370), (1490, 17134), (1937, 13180), (2636, 9685), (2980, 8567), (3295, 7748), (3874, 6590)]