2018314640

素因数分解:

$2^4\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{15641}}^1$

素因数の和:17267

約数の個数: 40

約数和(自身を含む): 4695790968

約数和(自身を除く): 2677476328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1613, 3226, 6452, 8065, 12904, 15641, 16130, 25808, 31282, 32260, 62564, 64520, 78205, 125128, 129040, 156410, 250256, 312820, 625640, 1251280, 25228933, 50457866, 100915732, 126144665, 201831464, 252289330, 403662928, 504578660, 1009157320, 2018314640]

約数ペア:

[(1, 2018314640), (2, 1009157320), (4, 504578660), (5, 403662928), (8, 252289330), (10, 201831464), (16, 126144665), (20, 100915732), (40, 50457866), (80, 25228933), (1613, 1251280), (3226, 625640), (6452, 312820), (8065, 250256), (12904, 156410), (15641, 129040), (16130, 125128), (25808, 78205), (31282, 64520), (32260, 62564)]