12894920

素因数分解:

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

素因数の和:115

約数の個数: 64

約数和(自身を含む): 31276800

約数和(自身を除く): 18381880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 361, 376, 380, 470, 722, 760, 893, 940, 1444, 1786, 1805, 1880, 2888, 3572, 3610, 4465, 6859, 7144, 7220, 8930, 13718, 14440, 16967, 17860, 27436, 33934, 34295, 35720, 54872, 67868, 68590, 84835, 135736, 137180, 169670, 274360, 322373, 339340, 644746, 678680, 1289492, 1611865, 2578984, 3223730, 6447460, 12894920]

約数ペア:

[(1, 12894920), (2, 6447460), (4, 3223730), (5, 2578984), (8, 1611865), (10, 1289492), (19, 678680), (20, 644746), (38, 339340), (40, 322373), (47, 274360), (76, 169670), (94, 137180), (95, 135736), (152, 84835), (188, 68590), (190, 67868), (235, 54872), (361, 35720), (376, 34295), (380, 33934), (470, 27436), (722, 17860), (760, 16967), (893, 14440), (940, 13718), (1444, 8930), (1786, 7220), (1805, 7144), (1880, 6859), (2888, 4465), (3572, 3610)]