20130199375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13249}}^1$

素因数の和:13310

約数の個数: 80

約数和(自身を含む): 31293108000

約数和(自身を除く): 11162908625

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 125, 143, 187, 221, 275, 325, 425, 625, 715, 935, 1105, 1375, 1625, 2125, 2431, 3575, 4675, 5525, 6875, 8125, 10625, 12155, 13249, 17875, 23375, 27625, 60775, 66245, 89375, 116875, 138125, 145739, 172237, 225233, 303875, 331225, 728695, 861185, 1126165, 1519375, 1656125, 1894607, 2477563, 2928029, 3643475, 4305925, 5630825, 8280625, 9473035, 12387815, 14640145, 18217375, 21529625, 28154125, 32208319, 47365175, 61939075, 73200725, 91086875, 107648125, 140770625, 161041595, 236825875, 309695375, 366003625, 805207975, 1184129375, 1548476875, 1830018125, 4026039875, 20130199375]

約数ペア:

[(1, 20130199375), (5, 4026039875), (11, 1830018125), (13, 1548476875), (17, 1184129375), (25, 805207975), (55, 366003625), (65, 309695375), (85, 236825875), (125, 161041595), (143, 140770625), (187, 107648125), (221, 91086875), (275, 73200725), (325, 61939075), (425, 47365175), (625, 32208319), (715, 28154125), (935, 21529625), (1105, 18217375), (1375, 14640145), (1625, 12387815), (2125, 9473035), (2431, 8280625), (3575, 5630825), (4675, 4305925), (5525, 3643475), (6875, 2928029), (8125, 2477563), (10625, 1894607), (12155, 1656125), (13249, 1519375), (17875, 1126165), (23375, 861185), (27625, 728695), (60775, 331225), (66245, 303875), (89375, 225233), (116875, 172237), (138125, 145739)]