55854040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2081}}^1$

素因数の和:2164

約数の個数: 64

約数和(自身を含む): 139410720

約数和(自身を除く): 83556680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2081, 2440, 2684, 3355, 4162, 5368, 6710, 8324, 10405, 13420, 16648, 20810, 22891, 26840, 41620, 45782, 83240, 91564, 114455, 126941, 183128, 228910, 253882, 457820, 507764, 634705, 915640, 1015528, 1269410, 1396351, 2538820, 2792702, 5077640, 5585404, 6981755, 11170808, 13963510, 27927020, 55854040]

約数ペア:

[(1, 55854040), (2, 27927020), (4, 13963510), (5, 11170808), (8, 6981755), (10, 5585404), (11, 5077640), (20, 2792702), (22, 2538820), (40, 1396351), (44, 1269410), (55, 1015528), (61, 915640), (88, 634705), (110, 507764), (122, 457820), (220, 253882), (244, 228910), (305, 183128), (440, 126941), (488, 114455), (610, 91564), (671, 83240), (1220, 45782), (1342, 41620), (2081, 26840), (2440, 22891), (2684, 20810), (3355, 16648), (4162, 13420), (5368, 10405), (6710, 8324)]