39843440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 120

約数和(自身を含む): 114912288

約数和(自身を除く): 75068848

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 421, 455, 520, 560, 676, 728, 842, 845, 910, 1040, 1183, 1352, 1456, 1684, 1690, 1820, 2105, 2366, 2704, 2947, 3368, 3380, 3640, 4210, 4732, 5473, 5894, 5915, 6736, 6760, 7280, 8420, 9464, 10946, 11788, 11830, 13520, 14735, 16840, 18928, 21892, 23576, 23660, 27365, 29470, 33680, 38311, 43784, 47152, 47320, 54730, 58940, 71149, 76622, 87568, 94640, 109460, 117880, 142298, 153244, 191555, 218920, 235760, 284596, 306488, 355745, 383110, 437840, 498043, 569192, 612976, 711490, 766220, 996086, 1138384, 1422980, 1532440, 1992172, 2490215, 2845960, 3064880, 3984344, 4980430, 5691920, 7968688, 9960860, 19921720, 39843440]

約数ペア:

[(1, 39843440), (2, 19921720), (4, 9960860), (5, 7968688), (7, 5691920), (8, 4980430), (10, 3984344), (13, 3064880), (14, 2845960), (16, 2490215), (20, 1992172), (26, 1532440), (28, 1422980), (35, 1138384), (40, 996086), (52, 766220), (56, 711490), (65, 612976), (70, 569192), (80, 498043), (91, 437840), (104, 383110), (112, 355745), (130, 306488), (140, 284596), (169, 235760), (182, 218920), (208, 191555), (260, 153244), (280, 142298), (338, 117880), (364, 109460), (421, 94640), (455, 87568), (520, 76622), (560, 71149), (676, 58940), (728, 54730), (842, 47320), (845, 47152), (910, 43784), (1040, 38311), (1183, 33680), (1352, 29470), (1456, 27365), (1684, 23660), (1690, 23576), (1820, 21892), (2105, 18928), (2366, 16840), (2704, 14735), (2947, 13520), (3368, 11830), (3380, 11788), (3640, 10946), (4210, 9464), (4732, 8420), (5473, 7280), (5894, 6760), (5915, 6736)]