28973360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2143}}^1$

素因数の和:2182

約数の個数: 60

約数和(自身を含む): 72977472

約数和(自身を除く): 44004112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2143, 2704, 3380, 4286, 6760, 8572, 10715, 13520, 17144, 21430, 27859, 34288, 42860, 55718, 85720, 111436, 139295, 171440, 222872, 278590, 362167, 445744, 557180, 724334, 1114360, 1448668, 1810835, 2228720, 2897336, 3621670, 5794672, 7243340, 14486680, 28973360]

約数ペア:

[(1, 28973360), (2, 14486680), (4, 7243340), (5, 5794672), (8, 3621670), (10, 2897336), (13, 2228720), (16, 1810835), (20, 1448668), (26, 1114360), (40, 724334), (52, 557180), (65, 445744), (80, 362167), (104, 278590), (130, 222872), (169, 171440), (208, 139295), (260, 111436), (338, 85720), (520, 55718), (676, 42860), (845, 34288), (1040, 27859), (1352, 21430), (1690, 17144), (2143, 13520), (2704, 10715), (3380, 8572), (4286, 6760)]