82148420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 192036096

約数和(自身を除く): 109887676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 71, 82, 83, 85, 142, 164, 166, 170, 205, 284, 332, 340, 355, 410, 415, 697, 710, 820, 830, 1207, 1394, 1411, 1420, 1660, 2414, 2788, 2822, 2911, 3403, 3485, 4828, 5644, 5822, 5893, 6035, 6806, 6970, 7055, 11644, 11786, 12070, 13612, 13940, 14110, 14555, 17015, 23572, 24140, 28220, 29110, 29465, 34030, 49487, 57851, 58220, 58930, 68060, 98974, 100181, 115702, 117860, 197948, 200362, 231404, 241613, 247435, 289255, 400724, 483226, 494870, 500905, 578510, 966452, 989740, 1001810, 1157020, 1208065, 2003620, 2416130, 4107421, 4832260, 8214842, 16429684, 20537105, 41074210, 82148420]

約数ペア:

[(1, 82148420), (2, 41074210), (4, 20537105), (5, 16429684), (10, 8214842), (17, 4832260), (20, 4107421), (34, 2416130), (41, 2003620), (68, 1208065), (71, 1157020), (82, 1001810), (83, 989740), (85, 966452), (142, 578510), (164, 500905), (166, 494870), (170, 483226), (205, 400724), (284, 289255), (332, 247435), (340, 241613), (355, 231404), (410, 200362), (415, 197948), (697, 117860), (710, 115702), (820, 100181), (830, 98974), (1207, 68060), (1394, 58930), (1411, 58220), (1420, 57851), (1660, 49487), (2414, 34030), (2788, 29465), (2822, 29110), (2911, 28220), (3403, 24140), (3485, 23572), (4828, 17015), (5644, 14555), (5822, 14110), (5893, 13940), (6035, 13612), (6806, 12070), (6970, 11786), (7055, 11644)]