40042120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 98755200

約数和(自身を除く): 58713080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 59, 76, 94, 95, 118, 152, 188, 190, 235, 236, 295, 361, 376, 380, 470, 472, 590, 722, 760, 893, 940, 1121, 1180, 1444, 1786, 1805, 1880, 2242, 2360, 2773, 2888, 3572, 3610, 4465, 4484, 5546, 5605, 7144, 7220, 8930, 8968, 11092, 11210, 13865, 14440, 16967, 17860, 21299, 22184, 22420, 27730, 33934, 35720, 42598, 44840, 52687, 55460, 67868, 84835, 85196, 105374, 106495, 110920, 135736, 169670, 170392, 210748, 212990, 263435, 339340, 421496, 425980, 526870, 678680, 851960, 1001053, 1053740, 2002106, 2107480, 4004212, 5005265, 8008424, 10010530, 20021060, 40042120]

約数ペア:

[(1, 40042120), (2, 20021060), (4, 10010530), (5, 8008424), (8, 5005265), (10, 4004212), (19, 2107480), (20, 2002106), (38, 1053740), (40, 1001053), (47, 851960), (59, 678680), (76, 526870), (94, 425980), (95, 421496), (118, 339340), (152, 263435), (188, 212990), (190, 210748), (235, 170392), (236, 169670), (295, 135736), (361, 110920), (376, 106495), (380, 105374), (470, 85196), (472, 84835), (590, 67868), (722, 55460), (760, 52687), (893, 44840), (940, 42598), (1121, 35720), (1180, 33934), (1444, 27730), (1786, 22420), (1805, 22184), (1880, 21299), (2242, 17860), (2360, 16967), (2773, 14440), (2888, 13865), (3572, 11210), (3610, 11092), (4465, 8968), (4484, 8930), (5546, 7220), (5605, 7144)]