85854620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 184923648

約数和(自身を除く): 99069028

約数列:

[1, 2, 4, 5, 10, 20, 71, 103, 142, 206, 284, 355, 412, 515, 587, 710, 1030, 1174, 1420, 2060, 2348, 2935, 5870, 7313, 11740, 14626, 29252, 36565, 41677, 60461, 73130, 83354, 120922, 146260, 166708, 208385, 241844, 302305, 416770, 604610, 833540, 1209220, 4292731, 8585462, 17170924, 21463655, 42927310, 85854620]

約数ペア:

[(1, 85854620), (2, 42927310), (4, 21463655), (5, 17170924), (10, 8585462), (20, 4292731), (71, 1209220), (103, 833540), (142, 604610), (206, 416770), (284, 302305), (355, 241844), (412, 208385), (515, 166708), (587, 146260), (710, 120922), (1030, 83354), (1174, 73130), (1420, 60461), (2060, 41677), (2348, 36565), (2935, 29252), (5870, 14626), (7313, 11740)]