8212141520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{40751}}^1$

素因数の和:41004

約数の個数: 80

約数和(自身を含む): 20920446720

約数和(自身を除く): 12708305200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 229, 440, 458, 880, 916, 1145, 1832, 2290, 2519, 3664, 4580, 5038, 9160, 10076, 12595, 18320, 20152, 25190, 40304, 40751, 50380, 81502, 100760, 163004, 201520, 203755, 326008, 407510, 448261, 652016, 815020, 896522, 1630040, 1793044, 2241305, 3260080, 3586088, 4482610, 7172176, 8965220, 9331979, 17930440, 18663958, 35860880, 37327916, 46659895, 74655832, 93319790, 102651769, 149311664, 186639580, 205303538, 373279160, 410607076, 513258845, 746558320, 821214152, 1026517690, 1642428304, 2053035380, 4106070760, 8212141520]

約数ペア:

[(1, 8212141520), (2, 4106070760), (4, 2053035380), (5, 1642428304), (8, 1026517690), (10, 821214152), (11, 746558320), (16, 513258845), (20, 410607076), (22, 373279160), (40, 205303538), (44, 186639580), (55, 149311664), (80, 102651769), (88, 93319790), (110, 74655832), (176, 46659895), (220, 37327916), (229, 35860880), (440, 18663958), (458, 17930440), (880, 9331979), (916, 8965220), (1145, 7172176), (1832, 4482610), (2290, 3586088), (2519, 3260080), (3664, 2241305), (4580, 1793044), (5038, 1630040), (9160, 896522), (10076, 815020), (12595, 652016), (18320, 448261), (20152, 407510), (25190, 326008), (40304, 203755), (40751, 201520), (50380, 163004), (81502, 100760)]