669492080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137191}}^1$

素因数の和:137265

約数の個数: 40

約数和(自身を含む): 1582098144

約数和(自身を除く): 912606064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 137191, 274382, 548764, 685955, 1097528, 1371910, 2195056, 2743820, 5487640, 8368651, 10975280, 16737302, 33474604, 41843255, 66949208, 83686510, 133898416, 167373020, 334746040, 669492080]

約数ペア:

[(1, 669492080), (2, 334746040), (4, 167373020), (5, 133898416), (8, 83686510), (10, 66949208), (16, 41843255), (20, 33474604), (40, 16737302), (61, 10975280), (80, 8368651), (122, 5487640), (244, 2743820), (305, 2195056), (488, 1371910), (610, 1097528), (976, 685955), (1220, 548764), (2440, 274382), (4880, 137191)]