65330620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1543}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 143962560

約数和(自身を除く): 78631940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 1543, 2117, 3086, 4234, 6172, 7715, 8468, 10585, 15430, 21170, 30860, 42340, 44747, 89494, 112639, 178988, 223735, 225278, 447470, 450556, 563195, 894940, 1126390, 2252780, 3266531, 6533062, 13066124, 16332655, 32665310, 65330620]

約数ペア:

[(1, 65330620), (2, 32665310), (4, 16332655), (5, 13066124), (10, 6533062), (20, 3266531), (29, 2252780), (58, 1126390), (73, 894940), (116, 563195), (145, 450556), (146, 447470), (290, 225278), (292, 223735), (365, 178988), (580, 112639), (730, 89494), (1460, 44747), (1543, 42340), (2117, 30860), (3086, 21170), (4234, 15430), (6172, 10585), (7715, 8468)]