139130480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56101}}^1$

素因数の和:56145

約数の個数: 40

約数和(自身を含む): 333919104

約数和(自身を除く): 194788624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 56101, 112202, 224404, 280505, 448808, 561010, 897616, 1122020, 1739131, 2244040, 3478262, 4488080, 6956524, 8695655, 13913048, 17391310, 27826096, 34782620, 69565240, 139130480]

約数ペア:

[(1, 139130480), (2, 69565240), (4, 34782620), (5, 27826096), (8, 17391310), (10, 13913048), (16, 8695655), (20, 6956524), (31, 4488080), (40, 3478262), (62, 2244040), (80, 1739131), (124, 1122020), (155, 897616), (248, 561010), (310, 448808), (496, 280505), (620, 224404), (1240, 112202), (2480, 56101)]