40282180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{461}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 90112176

約数和(自身を除く): 49829996

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 340, 461, 514, 922, 1028, 1285, 1844, 2305, 2570, 4369, 4610, 5140, 7837, 8738, 9220, 15674, 17476, 21845, 31348, 39185, 43690, 78370, 87380, 118477, 156740, 236954, 473908, 592385, 1184770, 2014109, 2369540, 4028218, 8056436, 10070545, 20141090, 40282180]

約数ペア:

[(1, 40282180), (2, 20141090), (4, 10070545), (5, 8056436), (10, 4028218), (17, 2369540), (20, 2014109), (34, 1184770), (68, 592385), (85, 473908), (170, 236954), (257, 156740), (340, 118477), (461, 87380), (514, 78370), (922, 43690), (1028, 39185), (1285, 31348), (1844, 21845), (2305, 17476), (2570, 15674), (4369, 9220), (4610, 8738), (5140, 7837)]