90343280

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{8243}}^1$

素因数の和:8393

約数の個数: 40

約数和(自身を含む): 211606992

約数和(自身を除く): 121263712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 8243, 10960, 16486, 32972, 41215, 65944, 82430, 131888, 164860, 329720, 659440, 1129291, 2258582, 4517164, 5646455, 9034328, 11292910, 18068656, 22585820, 45171640, 90343280]

約数ペア:

[(1, 90343280), (2, 45171640), (4, 22585820), (5, 18068656), (8, 11292910), (10, 9034328), (16, 5646455), (20, 4517164), (40, 2258582), (80, 1129291), (137, 659440), (274, 329720), (548, 164860), (685, 131888), (1096, 82430), (1370, 65944), (2192, 41215), (2740, 32972), (5480, 16486), (8243, 10960)]