71441360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28807}}^1$

素因数の和:28851

約数の個数: 40

約数和(自身を含む): 171465216

約数和(自身を除く): 100023856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28807, 57614, 115228, 144035, 230456, 288070, 460912, 576140, 893017, 1152280, 1786034, 2304560, 3572068, 4465085, 7144136, 8930170, 14288272, 17860340, 35720680, 71441360]

約数ペア:

[(1, 71441360), (2, 35720680), (4, 17860340), (5, 14288272), (8, 8930170), (10, 7144136), (16, 4465085), (20, 3572068), (31, 2304560), (40, 1786034), (62, 1152280), (80, 893017), (124, 576140), (155, 460912), (248, 288070), (310, 230456), (496, 144035), (620, 115228), (1240, 57614), (2480, 28807)]