16878680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4637}}^1$

素因数の和:4668

約数の個数: 64

約数和(自身を含む): 46751040

約数和(自身を除く): 29872360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 4637, 9274, 18548, 23185, 32459, 37096, 46370, 60281, 64918, 92740, 120562, 129836, 162295, 185480, 241124, 259672, 301405, 324590, 421967, 482248, 602810, 649180, 843934, 1205620, 1298360, 1687868, 2109835, 2411240, 3375736, 4219670, 8439340, 16878680]

約数ペア:

[(1, 16878680), (2, 8439340), (4, 4219670), (5, 3375736), (7, 2411240), (8, 2109835), (10, 1687868), (13, 1298360), (14, 1205620), (20, 843934), (26, 649180), (28, 602810), (35, 482248), (40, 421967), (52, 324590), (56, 301405), (65, 259672), (70, 241124), (91, 185480), (104, 162295), (130, 129836), (140, 120562), (182, 92740), (260, 64918), (280, 60281), (364, 46370), (455, 37096), (520, 32459), (728, 23185), (910, 18548), (1820, 9274), (3640, 4637)]