40271480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 95662080

約数和(自身を除く): 55390600

約数列:

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

約数ペア:

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