71445440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20297}}^1$

素因数の和:20325

約数の個数: 56

約数和(自身を含む): 185604912

約数和(自身を除く): 114159472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 20297, 40594, 81188, 101485, 162376, 202970, 223267, 324752, 405940, 446534, 649504, 811880, 893068, 1116335, 1299008, 1623760, 1786136, 2232670, 3247520, 3572272, 4465340, 6495040, 7144544, 8930680, 14289088, 17861360, 35722720, 71445440]

約数ペア:

[(1, 71445440), (2, 35722720), (4, 17861360), (5, 14289088), (8, 8930680), (10, 7144544), (11, 6495040), (16, 4465340), (20, 3572272), (22, 3247520), (32, 2232670), (40, 1786136), (44, 1623760), (55, 1299008), (64, 1116335), (80, 893068), (88, 811880), (110, 649504), (160, 446534), (176, 405940), (220, 324752), (320, 223267), (352, 202970), (440, 162376), (704, 101485), (880, 81188), (1760, 40594), (3520, 20297)]