64231420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7121}}^1$

素因数の和:7182

約数の個数: 48

約数和(自身を含む): 150758496

約数和(自身を除く): 86527076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 7121, 9020, 14242, 28484, 35605, 71210, 78331, 142420, 156662, 291961, 313324, 391655, 583922, 783310, 1167844, 1459805, 1566620, 2919610, 3211571, 5839220, 6423142, 12846284, 16057855, 32115710, 64231420]

約数ペア:

[(1, 64231420), (2, 32115710), (4, 16057855), (5, 12846284), (10, 6423142), (11, 5839220), (20, 3211571), (22, 2919610), (41, 1566620), (44, 1459805), (55, 1167844), (82, 783310), (110, 583922), (164, 391655), (205, 313324), (220, 291961), (410, 156662), (451, 142420), (820, 78331), (902, 71210), (1804, 35605), (2255, 28484), (4510, 14242), (7121, 9020)]