89438180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 208075392

約数和(自身を除く): 118637212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 235, 260, 338, 470, 563, 611, 676, 845, 940, 1126, 1222, 1690, 2252, 2444, 2815, 3055, 3380, 5630, 6110, 7319, 7943, 11260, 12220, 14638, 15886, 26461, 29276, 31772, 36595, 39715, 52922, 73190, 79430, 95147, 105844, 132305, 146380, 158860, 190294, 264610, 343993, 380588, 475735, 529220, 687986, 951470, 1375972, 1719965, 1902940, 3439930, 4471909, 6879860, 8943818, 17887636, 22359545, 44719090, 89438180]

約数ペア:

[(1, 89438180), (2, 44719090), (4, 22359545), (5, 17887636), (10, 8943818), (13, 6879860), (20, 4471909), (26, 3439930), (47, 1902940), (52, 1719965), (65, 1375972), (94, 951470), (130, 687986), (169, 529220), (188, 475735), (235, 380588), (260, 343993), (338, 264610), (470, 190294), (563, 158860), (611, 146380), (676, 132305), (845, 105844), (940, 95147), (1126, 79430), (1222, 73190), (1690, 52922), (2252, 39715), (2444, 36595), (2815, 31772), (3055, 29276), (3380, 26461), (5630, 15886), (6110, 14638), (7319, 12220), (7943, 11260)]