156560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:135

約数の個数: 40

約数和(自身を含む): 386880

約数和(自身を除く): 230320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 190, 206, 304, 380, 412, 515, 760, 824, 1030, 1520, 1648, 1957, 2060, 3914, 4120, 7828, 8240, 9785, 15656, 19570, 31312, 39140, 78280, 156560]

約数ペア:

[(1, 156560), (2, 78280), (4, 39140), (5, 31312), (8, 19570), (10, 15656), (16, 9785), (19, 8240), (20, 7828), (38, 4120), (40, 3914), (76, 2060), (80, 1957), (95, 1648), (103, 1520), (152, 1030), (190, 824), (206, 760), (304, 515), (380, 412)]