25789840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^3\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 80

約数和(自身を含む): 64638720

約数和(自身を除く): 38848880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 361, 376, 380, 470, 722, 752, 760, 893, 940, 1444, 1520, 1786, 1805, 1880, 2888, 3572, 3610, 3760, 4465, 5776, 6859, 7144, 7220, 8930, 13718, 14288, 14440, 16967, 17860, 27436, 28880, 33934, 34295, 35720, 54872, 67868, 68590, 71440, 84835, 109744, 135736, 137180, 169670, 271472, 274360, 322373, 339340, 548720, 644746, 678680, 1289492, 1357360, 1611865, 2578984, 3223730, 5157968, 6447460, 12894920, 25789840]

約数ペア:

[(1, 25789840), (2, 12894920), (4, 6447460), (5, 5157968), (8, 3223730), (10, 2578984), (16, 1611865), (19, 1357360), (20, 1289492), (38, 678680), (40, 644746), (47, 548720), (76, 339340), (80, 322373), (94, 274360), (95, 271472), (152, 169670), (188, 137180), (190, 135736), (235, 109744), (304, 84835), (361, 71440), (376, 68590), (380, 67868), (470, 54872), (722, 35720), (752, 34295), (760, 33934), (893, 28880), (940, 27436), (1444, 17860), (1520, 16967), (1786, 14440), (1805, 14288), (1880, 13718), (2888, 8930), (3572, 7220), (3610, 7144), (3760, 6859), (4465, 5776)]