71344520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137201}}^1$

素因数の和:137225

約数の個数: 32

約数和(自身を含む): 172874520

約数和(自身を除く): 101530000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137201, 274402, 548804, 686005, 1097608, 1372010, 1783613, 2744020, 3567226, 5488040, 7134452, 8918065, 14268904, 17836130, 35672260, 71344520]

約数ペア:

[(1, 71344520), (2, 35672260), (4, 17836130), (5, 14268904), (8, 8918065), (10, 7134452), (13, 5488040), (20, 3567226), (26, 2744020), (40, 1783613), (52, 1372010), (65, 1097608), (104, 686005), (130, 548804), (260, 274402), (520, 137201)]