140066680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8689}}^1$

素因数の和:8744

約数の個数: 64

約数和(自身を含む): 350380800

約数和(自身を除く): 210314120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 8689, 16120, 17378, 34756, 43445, 69512, 86890, 112957, 173780, 225914, 269359, 347560, 451828, 538718, 564785, 903656, 1077436, 1129570, 1346795, 2154872, 2259140, 2693590, 3501667, 4518280, 5387180, 7003334, 10774360, 14006668, 17508335, 28013336, 35016670, 70033340, 140066680]

約数ペア:

[(1, 140066680), (2, 70033340), (4, 35016670), (5, 28013336), (8, 17508335), (10, 14006668), (13, 10774360), (20, 7003334), (26, 5387180), (31, 4518280), (40, 3501667), (52, 2693590), (62, 2259140), (65, 2154872), (104, 1346795), (124, 1129570), (130, 1077436), (155, 903656), (248, 564785), (260, 538718), (310, 451828), (403, 347560), (520, 269359), (620, 225914), (806, 173780), (1240, 112957), (1612, 86890), (2015, 69512), (3224, 43445), (4030, 34756), (8060, 17378), (8689, 16120)]