40909964

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 77513688

約数和(自身を除く): 36603724

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 361, 691, 722, 779, 1382, 1444, 1558, 2764, 3116, 13129, 14801, 26258, 28331, 29602, 52516, 56662, 59204, 113324, 249451, 498902, 538289, 997804, 1076578, 2153156, 10227491, 20454982, 40909964]

約数ペア:

[(1, 40909964), (2, 20454982), (4, 10227491), (19, 2153156), (38, 1076578), (41, 997804), (76, 538289), (82, 498902), (164, 249451), (361, 113324), (691, 59204), (722, 56662), (779, 52516), (1382, 29602), (1444, 28331), (1558, 26258), (2764, 14801), (3116, 13129)]