2040989830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{1279}}^1$

素因数の和:1549

約数の個数: 64

約数和(自身を含む): 4080844800

約数和(自身を除く): 2039854970

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 163, 178, 326, 445, 815, 890, 979, 1279, 1630, 1793, 1958, 2558, 3586, 4895, 6395, 8965, 9790, 12790, 14069, 14507, 17930, 28138, 29014, 70345, 72535, 113831, 140690, 145070, 159577, 208477, 227662, 319154, 416954, 569155, 797885, 1042385, 1138310, 1252141, 1595770, 2084770, 2293247, 2504282, 4586494, 6260705, 11466235, 12521410, 18554453, 22932470, 37108906, 92772265, 185544530, 204098983, 408197966, 1020494915, 2040989830]

約数ペア:

[(1, 2040989830), (2, 1020494915), (5, 408197966), (10, 204098983), (11, 185544530), (22, 92772265), (55, 37108906), (89, 22932470), (110, 18554453), (163, 12521410), (178, 11466235), (326, 6260705), (445, 4586494), (815, 2504282), (890, 2293247), (979, 2084770), (1279, 1595770), (1630, 1252141), (1793, 1138310), (1958, 1042385), (2558, 797885), (3586, 569155), (4895, 416954), (6395, 319154), (8965, 227662), (9790, 208477), (12790, 159577), (14069, 145070), (14507, 140690), (17930, 113831), (28138, 72535), (29014, 70345)]