26786320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 69192000

約数和(自身を除く): 42405680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 499, 610, 671, 880, 976, 998, 1220, 1342, 1996, 2440, 2495, 2684, 3355, 3992, 4880, 4990, 5368, 5489, 6710, 7984, 9980, 10736, 10978, 13420, 19960, 21956, 26840, 27445, 30439, 39920, 43912, 53680, 54890, 60878, 87824, 109780, 121756, 152195, 219560, 243512, 304390, 334829, 439120, 487024, 608780, 669658, 1217560, 1339316, 1674145, 2435120, 2678632, 3348290, 5357264, 6696580, 13393160, 26786320]

約数ペア:

[(1, 26786320), (2, 13393160), (4, 6696580), (5, 5357264), (8, 3348290), (10, 2678632), (11, 2435120), (16, 1674145), (20, 1339316), (22, 1217560), (40, 669658), (44, 608780), (55, 487024), (61, 439120), (80, 334829), (88, 304390), (110, 243512), (122, 219560), (176, 152195), (220, 121756), (244, 109780), (305, 87824), (440, 60878), (488, 54890), (499, 53680), (610, 43912), (671, 39920), (880, 30439), (976, 27445), (998, 26840), (1220, 21956), (1342, 19960), (1996, 13420), (2440, 10978), (2495, 10736), (2684, 9980), (3355, 7984), (3992, 6710), (4880, 5489), (4990, 5368)]