27418880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 67893504

約数和(自身を除く): 40474624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 691, 992, 1240, 1280, 1382, 1984, 2480, 2764, 3455, 3968, 4960, 5528, 6910, 7936, 9920, 11056, 13820, 19840, 21421, 22112, 27640, 39680, 42842, 44224, 55280, 85684, 88448, 107105, 110560, 171368, 176896, 214210, 221120, 342736, 428420, 442240, 685472, 856840, 884480, 1370944, 1713680, 2741888, 3427360, 5483776, 6854720, 13709440, 27418880]

約数ペア:

[(1, 27418880), (2, 13709440), (4, 6854720), (5, 5483776), (8, 3427360), (10, 2741888), (16, 1713680), (20, 1370944), (31, 884480), (32, 856840), (40, 685472), (62, 442240), (64, 428420), (80, 342736), (124, 221120), (128, 214210), (155, 176896), (160, 171368), (248, 110560), (256, 107105), (310, 88448), (320, 85684), (496, 55280), (620, 44224), (640, 42842), (691, 39680), (992, 27640), (1240, 22112), (1280, 21421), (1382, 19840), (1984, 13820), (2480, 11056), (2764, 9920), (3455, 7936), (3968, 6910), (4960, 5528)]