28682680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4243}}^1$

素因数の和:4280

約数の個数: 48

約数和(自身を含む): 69898680

約数和(自身を除く): 41216000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 4243, 6760, 8486, 16972, 21215, 33944, 42430, 55159, 84860, 110318, 169720, 220636, 275795, 441272, 551590, 717067, 1103180, 1434134, 2206360, 2868268, 3585335, 5736536, 7170670, 14341340, 28682680]

約数ペア:

[(1, 28682680), (2, 14341340), (4, 7170670), (5, 5736536), (8, 3585335), (10, 2868268), (13, 2206360), (20, 1434134), (26, 1103180), (40, 717067), (52, 551590), (65, 441272), (104, 275795), (130, 220636), (169, 169720), (260, 110318), (338, 84860), (520, 55159), (676, 42430), (845, 33944), (1352, 21215), (1690, 16972), (3380, 8486), (4243, 6760)]