18421565634320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7428050659}}^1$

素因数の和:7428050703

約数の個数: 40

約数和(自身を含む): 44211757528320

約数和(自身を除く): 25790191894000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7428050659, 14856101318, 29712202636, 37140253295, 59424405272, 74280506590, 118848810544, 148561013180, 230269570429, 297122026360, 460539140858, 594244052720, 921078281716, 1151347852145, 1842156563432, 2302695704290, 3684313126864, 4605391408580, 9210782817160, 18421565634320]

約数ペア:

[(1, 18421565634320), (2, 9210782817160), (4, 4605391408580), (5, 3684313126864), (8, 2302695704290), (10, 1842156563432), (16, 1151347852145), (20, 921078281716), (31, 594244052720), (40, 460539140858), (62, 297122026360), (80, 230269570429), (124, 148561013180), (155, 118848810544), (248, 74280506590), (310, 59424405272), (496, 37140253295), (620, 29712202636), (1240, 14856101318), (2480, 7428050659)]