142689040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137201}}^1$

素因数の和:137227

約数の個数: 40

約数和(自身を含む): 357274008

約数和(自身を除く): 214584968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 137201, 274402, 548804, 686005, 1097608, 1372010, 1783613, 2195216, 2744020, 3567226, 5488040, 7134452, 8918065, 10976080, 14268904, 17836130, 28537808, 35672260, 71344520, 142689040]

約数ペア:

[(1, 142689040), (2, 71344520), (4, 35672260), (5, 28537808), (8, 17836130), (10, 14268904), (13, 10976080), (16, 8918065), (20, 7134452), (26, 5488040), (40, 3567226), (52, 2744020), (65, 2195216), (80, 1783613), (104, 1372010), (130, 1097608), (208, 686005), (260, 548804), (520, 274402), (1040, 137201)]