17881760

素因数分解:

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

素因数の和:8625

約数の個数: 48

約数和(自身を含む): 45500616

約数和(自身を除く): 27618856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8597, 17194, 34388, 42985, 68776, 85970, 111761, 137552, 171940, 223522, 275104, 343880, 447044, 558805, 687760, 894088, 1117610, 1375520, 1788176, 2235220, 3576352, 4470440, 8940880, 17881760]

約数ペア:

[(1, 17881760), (2, 8940880), (4, 4470440), (5, 3576352), (8, 2235220), (10, 1788176), (13, 1375520), (16, 1117610), (20, 894088), (26, 687760), (32, 558805), (40, 447044), (52, 343880), (65, 275104), (80, 223522), (104, 171940), (130, 137552), (160, 111761), (208, 85970), (260, 68776), (416, 42985), (520, 34388), (1040, 17194), (2080, 8597)]