15804560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11621}}^1$

素因数の和:11651

約数の個数: 40

約数和(自身を含む): 38910456

約数和(自身を除く): 23105896

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11621, 23242, 46484, 58105, 92968, 116210, 185936, 197557, 232420, 395114, 464840, 790228, 929680, 987785, 1580456, 1975570, 3160912, 3951140, 7902280, 15804560]

約数ペア:

[(1, 15804560), (2, 7902280), (4, 3951140), (5, 3160912), (8, 1975570), (10, 1580456), (16, 987785), (17, 929680), (20, 790228), (34, 464840), (40, 395114), (68, 232420), (80, 197557), (85, 185936), (136, 116210), (170, 92968), (272, 58105), (340, 46484), (680, 23242), (1360, 11621)]