9877720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 24040800

約数和(自身を除く): 14163080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 317, 328, 380, 410, 634, 760, 779, 820, 1268, 1558, 1585, 1640, 2536, 3116, 3170, 3895, 6023, 6232, 6340, 7790, 12046, 12680, 12997, 15580, 24092, 25994, 30115, 31160, 48184, 51988, 60230, 64985, 103976, 120460, 129970, 240920, 246943, 259940, 493886, 519880, 987772, 1234715, 1975544, 2469430, 4938860, 9877720]

約数ペア:

[(1, 9877720), (2, 4938860), (4, 2469430), (5, 1975544), (8, 1234715), (10, 987772), (19, 519880), (20, 493886), (38, 259940), (40, 246943), (41, 240920), (76, 129970), (82, 120460), (95, 103976), (152, 64985), (164, 60230), (190, 51988), (205, 48184), (317, 31160), (328, 30115), (380, 25994), (410, 24092), (634, 15580), (760, 12997), (779, 12680), (820, 12046), (1268, 7790), (1558, 6340), (1585, 6232), (1640, 6023), (2536, 3895), (3116, 3170)]