8940880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8597}}^1$

素因数の和:8623

約数の個数: 40

約数和(自身を含む): 22389192

約数和(自身を除く): 13448312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8597, 17194, 34388, 42985, 68776, 85970, 111761, 137552, 171940, 223522, 343880, 447044, 558805, 687760, 894088, 1117610, 1788176, 2235220, 4470440, 8940880]

約数ペア:

[(1, 8940880), (2, 4470440), (4, 2235220), (5, 1788176), (8, 1117610), (10, 894088), (13, 687760), (16, 558805), (20, 447044), (26, 343880), (40, 223522), (52, 171940), (65, 137552), (80, 111761), (104, 85970), (130, 68776), (208, 42985), (260, 34388), (520, 17194), (1040, 8597)]