47888240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13921}}^1$

素因数の和:13977

約数の個数: 40

約数和(自身を含む): 113937648

約数和(自身を除く): 66049408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 13921, 27842, 55684, 69605, 111368, 139210, 222736, 278420, 556840, 598603, 1113680, 1197206, 2394412, 2993015, 4788824, 5986030, 9577648, 11972060, 23944120, 47888240]

約数ペア:

[(1, 47888240), (2, 23944120), (4, 11972060), (5, 9577648), (8, 5986030), (10, 4788824), (16, 2993015), (20, 2394412), (40, 1197206), (43, 1113680), (80, 598603), (86, 556840), (172, 278420), (215, 222736), (344, 139210), (430, 111368), (688, 69605), (860, 55684), (1720, 27842), (3440, 13921)]