64483820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1523}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 142097760

約数和(自身を除く): 77613940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 1523, 2117, 3046, 4234, 6092, 7615, 8468, 10585, 15230, 21170, 30460, 42340, 44167, 88334, 111179, 176668, 220835, 222358, 441670, 444716, 555895, 883340, 1111790, 2223580, 3224191, 6448382, 12896764, 16120955, 32241910, 64483820]

約数ペア:

[(1, 64483820), (2, 32241910), (4, 16120955), (5, 12896764), (10, 6448382), (20, 3224191), (29, 2223580), (58, 1111790), (73, 883340), (116, 555895), (145, 444716), (146, 441670), (290, 222358), (292, 220835), (365, 176668), (580, 111179), (730, 88334), (1460, 44167), (1523, 42340), (2117, 30460), (3046, 21170), (4234, 15230), (6092, 10585), (7615, 8468)]