19972560520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1699}}^1\times {\mathrm{26717}}^1$

素因数の和:28438

約数の個数: 64

約数和(自身を含む): 49054248000

約数和(自身を除く): 29081687480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1699, 3398, 6796, 8495, 13592, 16990, 18689, 26717, 33980, 37378, 53434, 67960, 74756, 93445, 106868, 133585, 149512, 186890, 213736, 267170, 293887, 373780, 534340, 587774, 747560, 1068680, 1175548, 1469435, 2351096, 2938870, 5877740, 11755480, 45392183, 90784366, 181568732, 226960915, 363137464, 453921830, 499314013, 907843660, 998628026, 1815687320, 1997256052, 2496570065, 3994512104, 4993140130, 9986280260, 19972560520]

約数ペア:

[(1, 19972560520), (2, 9986280260), (4, 4993140130), (5, 3994512104), (8, 2496570065), (10, 1997256052), (11, 1815687320), (20, 998628026), (22, 907843660), (40, 499314013), (44, 453921830), (55, 363137464), (88, 226960915), (110, 181568732), (220, 90784366), (440, 45392183), (1699, 11755480), (3398, 5877740), (6796, 2938870), (8495, 2351096), (13592, 1469435), (16990, 1175548), (18689, 1068680), (26717, 747560), (33980, 587774), (37378, 534340), (53434, 373780), (67960, 293887), (74756, 267170), (93445, 213736), (106868, 186890), (133585, 149512)]