86342840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1103}}^1$

素因数の和:1236

約数の個数: 64

約数和(自身を含む): 206668800

約数和(自身を除く): 120325960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 380, 412, 515, 760, 824, 1030, 1103, 1957, 2060, 2206, 3914, 4120, 4412, 5515, 7828, 8824, 9785, 11030, 15656, 19570, 20957, 22060, 39140, 41914, 44120, 78280, 83828, 104785, 113609, 167656, 209570, 227218, 419140, 454436, 568045, 838280, 908872, 1136090, 2158571, 2272180, 4317142, 4544360, 8634284, 10792855, 17268568, 21585710, 43171420, 86342840]

約数ペア:

[(1, 86342840), (2, 43171420), (4, 21585710), (5, 17268568), (8, 10792855), (10, 8634284), (19, 4544360), (20, 4317142), (38, 2272180), (40, 2158571), (76, 1136090), (95, 908872), (103, 838280), (152, 568045), (190, 454436), (206, 419140), (380, 227218), (412, 209570), (515, 167656), (760, 113609), (824, 104785), (1030, 83828), (1103, 78280), (1957, 44120), (2060, 41914), (2206, 39140), (3914, 22060), (4120, 20957), (4412, 19570), (5515, 15656), (7828, 11030), (8824, 9785)]