80518360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 201461040

約数和(自身を除く): 120942680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 169, 172, 215, 260, 277, 338, 344, 430, 520, 554, 559, 676, 845, 860, 1108, 1118, 1352, 1385, 1690, 1720, 2216, 2236, 2770, 2795, 3380, 3601, 4472, 5540, 5590, 6760, 7202, 7267, 11080, 11180, 11911, 14404, 14534, 18005, 22360, 23822, 28808, 29068, 36010, 36335, 46813, 47644, 58136, 59555, 72020, 72670, 93626, 95288, 119110, 144040, 145340, 154843, 187252, 234065, 238220, 290680, 309686, 374504, 468130, 476440, 619372, 774215, 936260, 1238744, 1548430, 1872520, 2012959, 3096860, 4025918, 6193720, 8051836, 10064795, 16103672, 20129590, 40259180, 80518360]

約数ペア:

[(1, 80518360), (2, 40259180), (4, 20129590), (5, 16103672), (8, 10064795), (10, 8051836), (13, 6193720), (20, 4025918), (26, 3096860), (40, 2012959), (43, 1872520), (52, 1548430), (65, 1238744), (86, 936260), (104, 774215), (130, 619372), (169, 476440), (172, 468130), (215, 374504), (260, 309686), (277, 290680), (338, 238220), (344, 234065), (430, 187252), (520, 154843), (554, 145340), (559, 144040), (676, 119110), (845, 95288), (860, 93626), (1108, 72670), (1118, 72020), (1352, 59555), (1385, 58136), (1690, 47644), (1720, 46813), (2216, 36335), (2236, 36010), (2770, 29068), (2795, 28808), (3380, 23822), (3601, 22360), (4472, 18005), (5540, 14534), (5590, 14404), (6760, 11911), (7202, 11180), (7267, 11080)]