77187280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13217}}^1$

素因数の和:13303

約数の個数: 40

約数和(自身を含む): 181932552

約数和(自身を除く): 104745272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 13217, 26434, 52868, 66085, 105736, 132170, 211472, 264340, 528680, 964841, 1057360, 1929682, 3859364, 4824205, 7718728, 9648410, 15437456, 19296820, 38593640, 77187280]

約数ペア:

[(1, 77187280), (2, 38593640), (4, 19296820), (5, 15437456), (8, 9648410), (10, 7718728), (16, 4824205), (20, 3859364), (40, 1929682), (73, 1057360), (80, 964841), (146, 528680), (292, 264340), (365, 211472), (584, 132170), (730, 105736), (1168, 66085), (1460, 52868), (2920, 26434), (5840, 13217)]