89745760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3319}}^1$

素因数の和:3360

約数の個数: 72

約数和(自身を含む): 229657680

約数和(自身を除く): 139911920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3319, 3380, 5408, 6638, 6760, 13276, 13520, 16595, 26552, 27040, 33190, 43147, 53104, 66380, 86294, 106208, 132760, 172588, 215735, 265520, 345176, 431470, 531040, 560911, 690352, 862940, 1121822, 1380704, 1725880, 2243644, 2804555, 3451760, 4487288, 5609110, 6903520, 8974576, 11218220, 17949152, 22436440, 44872880, 89745760]

約数ペア:

[(1, 89745760), (2, 44872880), (4, 22436440), (5, 17949152), (8, 11218220), (10, 8974576), (13, 6903520), (16, 5609110), (20, 4487288), (26, 3451760), (32, 2804555), (40, 2243644), (52, 1725880), (65, 1380704), (80, 1121822), (104, 862940), (130, 690352), (160, 560911), (169, 531040), (208, 431470), (260, 345176), (338, 265520), (416, 215735), (520, 172588), (676, 132760), (845, 106208), (1040, 86294), (1352, 66380), (1690, 53104), (2080, 43147), (2704, 33190), (3319, 27040), (3380, 26552), (5408, 16595), (6638, 13520), (6760, 13276)]