40494584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{971}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 82056240

約数和(自身を除く): 41561656

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 401, 802, 971, 1604, 1942, 3208, 3884, 5213, 7768, 10426, 12623, 20852, 25246, 41704, 50492, 100984, 389371, 778742, 1557484, 3114968, 5061823, 10123646, 20247292, 40494584]

約数ペア:

[(1, 40494584), (2, 20247292), (4, 10123646), (8, 5061823), (13, 3114968), (26, 1557484), (52, 778742), (104, 389371), (401, 100984), (802, 50492), (971, 41704), (1604, 25246), (1942, 20852), (3208, 12623), (3884, 10426), (5213, 7768)]