40346480

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1861}}^1$

素因数の和:2145

約数の個数: 40

約数和(自身を含む): 94202304

約数和(自身を除く): 53855824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 1861, 2168, 2710, 3722, 4336, 5420, 7444, 9305, 10840, 14888, 18610, 21680, 29776, 37220, 74440, 148880, 504331, 1008662, 2017324, 2521655, 4034648, 5043310, 8069296, 10086620, 20173240, 40346480]

約数ペア:

[(1, 40346480), (2, 20173240), (4, 10086620), (5, 8069296), (8, 5043310), (10, 4034648), (16, 2521655), (20, 2017324), (40, 1008662), (80, 504331), (271, 148880), (542, 74440), (1084, 37220), (1355, 29776), (1861, 21680), (2168, 18610), (2710, 14888), (3722, 10840), (4336, 9305), (5420, 7444)]