28542040

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8597}}^1$

素因数の和:8691

約数の個数: 32

約数和(自身を含む): 65000880

約数和(自身を除く): 36458840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 8597, 17194, 34388, 42985, 68776, 85970, 171940, 343880, 713551, 1427102, 2854204, 3567755, 5708408, 7135510, 14271020, 28542040]

約数ペア:

[(1, 28542040), (2, 14271020), (4, 7135510), (5, 5708408), (8, 3567755), (10, 2854204), (20, 1427102), (40, 713551), (83, 343880), (166, 171940), (332, 85970), (415, 68776), (664, 42985), (830, 34388), (1660, 17194), (3320, 8597)]