80542960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 197701632

約数和(自身を除く): 117158672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 620, 691, 752, 940, 1240, 1382, 1457, 1880, 2480, 2764, 2914, 3455, 3760, 5528, 5828, 6910, 7285, 11056, 11656, 13820, 14570, 21421, 23312, 27640, 29140, 32477, 42842, 55280, 58280, 64954, 85684, 107105, 116560, 129908, 162385, 171368, 214210, 259816, 324770, 342736, 428420, 519632, 649540, 856840, 1006787, 1299080, 1713680, 2013574, 2598160, 4027148, 5033935, 8054296, 10067870, 16108592, 20135740, 40271480, 80542960]

約数ペア:

[(1, 80542960), (2, 40271480), (4, 20135740), (5, 16108592), (8, 10067870), (10, 8054296), (16, 5033935), (20, 4027148), (31, 2598160), (40, 2013574), (47, 1713680), (62, 1299080), (80, 1006787), (94, 856840), (124, 649540), (155, 519632), (188, 428420), (235, 342736), (248, 324770), (310, 259816), (376, 214210), (470, 171368), (496, 162385), (620, 129908), (691, 116560), (752, 107105), (940, 85684), (1240, 64954), (1382, 58280), (1457, 55280), (1880, 42842), (2480, 32477), (2764, 29140), (2914, 27640), (3455, 23312), (3760, 21421), (5528, 14570), (5828, 13820), (6910, 11656), (7285, 11056)]