81094130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 163658880

約数和(自身を除く): 82564750

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 89, 130, 163, 178, 215, 326, 430, 445, 559, 815, 890, 1118, 1157, 1630, 2119, 2314, 2795, 3827, 4238, 5590, 5785, 7009, 7654, 10595, 11570, 14018, 14507, 19135, 21190, 29014, 35045, 38270, 49751, 70090, 72535, 91117, 99502, 145070, 182234, 188591, 248755, 377182, 455585, 497510, 623801, 911170, 942955, 1247602, 1885910, 3119005, 6238010, 8109413, 16218826, 40547065, 81094130]

約数ペア:

[(1, 81094130), (2, 40547065), (5, 16218826), (10, 8109413), (13, 6238010), (26, 3119005), (43, 1885910), (65, 1247602), (86, 942955), (89, 911170), (130, 623801), (163, 497510), (178, 455585), (215, 377182), (326, 248755), (430, 188591), (445, 182234), (559, 145070), (815, 99502), (890, 91117), (1118, 72535), (1157, 70090), (1630, 49751), (2119, 38270), (2314, 35045), (2795, 29014), (3827, 21190), (4238, 19135), (5590, 14507), (5785, 14018), (7009, 11570), (7654, 10595)]