71878820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9533}}^1$

素因数の和:9584

約数の個数: 48

約数和(自身を含む): 168179760

約数和(自身を除く): 96300940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 9533, 19066, 38132, 47665, 95330, 123929, 190660, 247858, 276457, 495716, 552914, 619645, 1105828, 1239290, 1382285, 2478580, 2764570, 3593941, 5529140, 7187882, 14375764, 17969705, 35939410, 71878820]

約数ペア:

[(1, 71878820), (2, 35939410), (4, 17969705), (5, 14375764), (10, 7187882), (13, 5529140), (20, 3593941), (26, 2764570), (29, 2478580), (52, 1382285), (58, 1239290), (65, 1105828), (116, 619645), (130, 552914), (145, 495716), (260, 276457), (290, 247858), (377, 190660), (580, 123929), (754, 95330), (1508, 47665), (1885, 38132), (3770, 19066), (7540, 9533)]