40717648

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 81262656

約数和(自身を除く): 40545008

約数列:

[1, 2, 4, 8, 16, 71, 73, 142, 146, 284, 292, 491, 568, 584, 982, 1136, 1168, 1964, 3928, 5183, 7856, 10366, 20732, 34861, 35843, 41464, 69722, 71686, 82928, 139444, 143372, 278888, 286744, 557776, 573488, 2544853, 5089706, 10179412, 20358824, 40717648]

約数ペア:

[(1, 40717648), (2, 20358824), (4, 10179412), (8, 5089706), (16, 2544853), (71, 573488), (73, 557776), (142, 286744), (146, 278888), (284, 143372), (292, 139444), (491, 82928), (568, 71686), (584, 69722), (982, 41464), (1136, 35843), (1168, 34861), (1964, 20732), (3928, 10366), (5183, 7856)]