66642500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 162697920

約数和(自身を除く): 96055420

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 61, 76, 92, 95, 100, 115, 122, 125, 190, 230, 244, 250, 305, 380, 437, 460, 475, 500, 575, 610, 625, 874, 950, 1150, 1159, 1220, 1250, 1403, 1525, 1748, 1900, 2185, 2300, 2318, 2375, 2500, 2806, 2875, 3050, 4370, 4636, 4750, 5612, 5750, 5795, 6100, 7015, 7625, 8740, 9500, 10925, 11500, 11590, 11875, 14030, 14375, 15250, 21850, 23180, 23750, 26657, 28060, 28750, 28975, 30500, 35075, 38125, 43700, 47500, 53314, 54625, 57500, 57950, 70150, 76250, 106628, 109250, 115900, 133285, 140300, 144875, 152500, 175375, 218500, 266570, 273125, 289750, 350750, 533140, 546250, 579500, 666425, 701500, 724375, 876875, 1092500, 1332850, 1448750, 1753750, 2665700, 2897500, 3332125, 3507500, 6664250, 13328500, 16660625, 33321250, 66642500]

約数ペア:

[(1, 66642500), (2, 33321250), (4, 16660625), (5, 13328500), (10, 6664250), (19, 3507500), (20, 3332125), (23, 2897500), (25, 2665700), (38, 1753750), (46, 1448750), (50, 1332850), (61, 1092500), (76, 876875), (92, 724375), (95, 701500), (100, 666425), (115, 579500), (122, 546250), (125, 533140), (190, 350750), (230, 289750), (244, 273125), (250, 266570), (305, 218500), (380, 175375), (437, 152500), (460, 144875), (475, 140300), (500, 133285), (575, 115900), (610, 109250), (625, 106628), (874, 76250), (950, 70150), (1150, 57950), (1159, 57500), (1220, 54625), (1250, 53314), (1403, 47500), (1525, 43700), (1748, 38125), (1900, 35075), (2185, 30500), (2300, 28975), (2318, 28750), (2375, 28060), (2500, 26657), (2806, 23750), (2875, 23180), (3050, 21850), (4370, 15250), (4636, 14375), (4750, 14030), (5612, 11875), (5750, 11590), (5795, 11500), (6100, 10925), (7015, 9500), (7625, 8740)]