621200840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{29137}}^1$

素因数の和:29202

約数の個数: 64

約数和(自身を含む): 1541982960

約数和(自身を除く): 920782120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4264, 5330, 10660, 21320, 29137, 58274, 116548, 145685, 233096, 291370, 378781, 582740, 757562, 1165480, 1194617, 1515124, 1893905, 2389234, 3030248, 3787810, 4778468, 5973085, 7575620, 9556936, 11946170, 15151240, 15530021, 23892340, 31060042, 47784680, 62120084, 77650105, 124240168, 155300210, 310600420, 621200840]

約数ペア:

[(1, 621200840), (2, 310600420), (4, 155300210), (5, 124240168), (8, 77650105), (10, 62120084), (13, 47784680), (20, 31060042), (26, 23892340), (40, 15530021), (41, 15151240), (52, 11946170), (65, 9556936), (82, 7575620), (104, 5973085), (130, 4778468), (164, 3787810), (205, 3030248), (260, 2389234), (328, 1893905), (410, 1515124), (520, 1194617), (533, 1165480), (820, 757562), (1066, 582740), (1640, 378781), (2132, 291370), (2665, 233096), (4264, 145685), (5330, 116548), (10660, 58274), (21320, 29137)]