800000040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{952381}}^1$

素因数の和:952402

約数の個数: 64

約数和(自身を含む): 2742860160

約数和(自身を除く): 1942860120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 952381, 1904762, 2857143, 3809524, 4761905, 5714286, 6666667, 7619048, 9523810, 11428572, 13333334, 14285715, 19047620, 20000001, 22857144, 26666668, 28571430, 33333335, 38095240, 40000002, 53333336, 57142860, 66666670, 80000004, 100000005, 114285720, 133333340, 160000008, 200000010, 266666680, 400000020, 800000040]

約数ペア:

[(1, 800000040), (2, 400000020), (3, 266666680), (4, 200000010), (5, 160000008), (6, 133333340), (7, 114285720), (8, 100000005), (10, 80000004), (12, 66666670), (14, 57142860), (15, 53333336), (20, 40000002), (21, 38095240), (24, 33333335), (28, 28571430), (30, 26666668), (35, 22857144), (40, 20000001), (42, 19047620), (56, 14285715), (60, 13333334), (70, 11428572), (84, 9523810), (105, 7619048), (120, 6666667), (140, 5714286), (168, 4761905), (210, 3809524), (280, 2857143), (420, 1904762), (840, 952381)]