40389280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:542

約数の個数: 96

約数和(自身を含む): 104509440

約数和(自身を除く): 64120160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 340, 479, 496, 527, 544, 620, 680, 958, 992, 1054, 1240, 1360, 1916, 2108, 2395, 2480, 2635, 2720, 3832, 4216, 4790, 4960, 5270, 7664, 8143, 8432, 9580, 10540, 14849, 15328, 16286, 16864, 19160, 21080, 29698, 32572, 38320, 40715, 42160, 59396, 65144, 74245, 76640, 81430, 84320, 118792, 130288, 148490, 162860, 237584, 252433, 260576, 296980, 325720, 475168, 504866, 593960, 651440, 1009732, 1187920, 1262165, 1302880, 2019464, 2375840, 2524330, 4038928, 5048660, 8077856, 10097320, 20194640, 40389280]

約数ペア:

[(1, 40389280), (2, 20194640), (4, 10097320), (5, 8077856), (8, 5048660), (10, 4038928), (16, 2524330), (17, 2375840), (20, 2019464), (31, 1302880), (32, 1262165), (34, 1187920), (40, 1009732), (62, 651440), (68, 593960), (80, 504866), (85, 475168), (124, 325720), (136, 296980), (155, 260576), (160, 252433), (170, 237584), (248, 162860), (272, 148490), (310, 130288), (340, 118792), (479, 84320), (496, 81430), (527, 76640), (544, 74245), (620, 65144), (680, 59396), (958, 42160), (992, 40715), (1054, 38320), (1240, 32572), (1360, 29698), (1916, 21080), (2108, 19160), (2395, 16864), (2480, 16286), (2635, 15328), (2720, 14849), (3832, 10540), (4216, 9580), (4790, 8432), (4960, 8143), (5270, 7664)]