12480967580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{75983}}^1$

素因数の和:76226

約数の個数: 48

約数和(自身を含む): 26960338944

約数和(自身を除く): 14479371364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 191, 215, 382, 430, 764, 860, 955, 1910, 3820, 8213, 16426, 32852, 41065, 75983, 82130, 151966, 164260, 303932, 379915, 759830, 1519660, 3267269, 6534538, 13069076, 14512753, 16336345, 29025506, 32672690, 58051012, 65345380, 72563765, 145127530, 290255060, 624048379, 1248096758, 2496193516, 3120241895, 6240483790, 12480967580]

約数ペア:

[(1, 12480967580), (2, 6240483790), (4, 3120241895), (5, 2496193516), (10, 1248096758), (20, 624048379), (43, 290255060), (86, 145127530), (172, 72563765), (191, 65345380), (215, 58051012), (382, 32672690), (430, 29025506), (764, 16336345), (860, 14512753), (955, 13069076), (1910, 6534538), (3820, 3267269), (8213, 1519660), (16426, 759830), (32852, 379915), (41065, 303932), (75983, 164260), (82130, 151966)]