78214880

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11923}}^1$

素因数の和:11979

約数の個数: 48

約数和(自身を含む): 189305424

約数和(自身を除く): 111090544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 11923, 23846, 47692, 59615, 95384, 119230, 190768, 238460, 381536, 476920, 488843, 953840, 977686, 1907680, 1955372, 2444215, 3910744, 4888430, 7821488, 9776860, 15642976, 19553720, 39107440, 78214880]

約数ペア:

[(1, 78214880), (2, 39107440), (4, 19553720), (5, 15642976), (8, 9776860), (10, 7821488), (16, 4888430), (20, 3910744), (32, 2444215), (40, 1955372), (41, 1907680), (80, 977686), (82, 953840), (160, 488843), (164, 476920), (205, 381536), (328, 238460), (410, 190768), (656, 119230), (820, 95384), (1312, 59615), (1640, 47692), (3280, 23846), (6560, 11923)]