28655240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31147}}^1$

素因数の和:31181

約数の個数: 32

約数和(自身を含む): 67279680

約数和(自身を除く): 38624440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 31147, 62294, 124588, 155735, 249176, 311470, 622940, 716381, 1245880, 1432762, 2865524, 3581905, 5731048, 7163810, 14327620, 28655240]

約数ペア:

[(1, 28655240), (2, 14327620), (4, 7163810), (5, 5731048), (8, 3581905), (10, 2865524), (20, 1432762), (23, 1245880), (40, 716381), (46, 622940), (92, 311470), (115, 249176), (184, 155735), (230, 124588), (460, 62294), (920, 31147)]