28776800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2767}}^1$

素因数の和:2800

約数の個数: 72

約数和(自身を含む): 75682656

約数和(自身を除く): 46905856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 2767, 5200, 5534, 10400, 11068, 13835, 22136, 27670, 35971, 44272, 55340, 69175, 71942, 88544, 110680, 138350, 143884, 179855, 221360, 276700, 287768, 359710, 442720, 553400, 575536, 719420, 899275, 1106800, 1151072, 1438840, 1798550, 2213600, 2877680, 3597100, 5755360, 7194200, 14388400, 28776800]

約数ペア:

[(1, 28776800), (2, 14388400), (4, 7194200), (5, 5755360), (8, 3597100), (10, 2877680), (13, 2213600), (16, 1798550), (20, 1438840), (25, 1151072), (26, 1106800), (32, 899275), (40, 719420), (50, 575536), (52, 553400), (65, 442720), (80, 359710), (100, 287768), (104, 276700), (130, 221360), (160, 179855), (200, 143884), (208, 138350), (260, 110680), (325, 88544), (400, 71942), (416, 69175), (520, 55340), (650, 44272), (800, 35971), (1040, 27670), (1300, 22136), (2080, 13835), (2600, 11068), (2767, 10400), (5200, 5534)]