816864040

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{89963}}^1$

素因数の和:90201

約数の個数: 32

約数和(自身を含む): 1846061280

約数和(自身を除く): 1029197240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 9080, 89963, 179926, 359852, 449815, 719704, 899630, 1799260, 3598520, 20421601, 40843202, 81686404, 102108005, 163372808, 204216010, 408432020, 816864040]

約数ペア:

[(1, 816864040), (2, 408432020), (4, 204216010), (5, 163372808), (8, 102108005), (10, 81686404), (20, 40843202), (40, 20421601), (227, 3598520), (454, 1799260), (908, 899630), (1135, 719704), (1816, 449815), (2270, 359852), (4540, 179926), (9080, 89963)]