13709440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 33880320

約数和(自身を除く): 20170880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 691, 992, 1240, 1382, 1984, 2480, 2764, 3455, 3968, 4960, 5528, 6910, 9920, 11056, 13820, 19840, 21421, 22112, 27640, 42842, 44224, 55280, 85684, 88448, 107105, 110560, 171368, 214210, 221120, 342736, 428420, 442240, 685472, 856840, 1370944, 1713680, 2741888, 3427360, 6854720, 13709440]

約数ペア:

[(1, 13709440), (2, 6854720), (4, 3427360), (5, 2741888), (8, 1713680), (10, 1370944), (16, 856840), (20, 685472), (31, 442240), (32, 428420), (40, 342736), (62, 221120), (64, 214210), (80, 171368), (124, 110560), (128, 107105), (155, 88448), (160, 85684), (248, 55280), (310, 44224), (320, 42842), (496, 27640), (620, 22112), (640, 21421), (691, 19840), (992, 13820), (1240, 11056), (1382, 9920), (1984, 6910), (2480, 5528), (2764, 4960), (3455, 3968)]