61821040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{26647}}^1$

素因数の和:26689

約数の個数: 40

約数和(自身を含む): 148695840

約数和(自身を除く): 86874800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 26647, 53294, 106588, 133235, 213176, 266470, 426352, 532940, 772763, 1065880, 1545526, 2131760, 3091052, 3863815, 6182104, 7727630, 12364208, 15455260, 30910520, 61821040]

約数ペア:

[(1, 61821040), (2, 30910520), (4, 15455260), (5, 12364208), (8, 7727630), (10, 6182104), (16, 3863815), (20, 3091052), (29, 2131760), (40, 1545526), (58, 1065880), (80, 772763), (116, 532940), (145, 426352), (232, 266470), (290, 213176), (464, 133235), (580, 106588), (1160, 53294), (2320, 26647)]