16466920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 23449880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 461, 470, 760, 893, 922, 940, 1786, 1844, 1880, 2305, 3572, 3688, 4465, 4610, 7144, 8759, 8930, 9220, 17518, 17860, 18440, 21667, 35036, 35720, 43334, 43795, 70072, 86668, 87590, 108335, 173336, 175180, 216670, 350360, 411673, 433340, 823346, 866680, 1646692, 2058365, 3293384, 4116730, 8233460, 16466920]

約数ペア:

[(1, 16466920), (2, 8233460), (4, 4116730), (5, 3293384), (8, 2058365), (10, 1646692), (19, 866680), (20, 823346), (38, 433340), (40, 411673), (47, 350360), (76, 216670), (94, 175180), (95, 173336), (152, 108335), (188, 87590), (190, 86668), (235, 70072), (376, 43795), (380, 43334), (461, 35720), (470, 35036), (760, 21667), (893, 18440), (922, 17860), (940, 17518), (1786, 9220), (1844, 8930), (1880, 8759), (2305, 7144), (3572, 4610), (3688, 4465)]