2019464960

素因数分解:

$2^8\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{1487}}^1$

素因数の和:2569

約数の個数: 72

約数和(自身を含む): 4845064896

約数和(自身を除く): 2825599936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1061, 1280, 1487, 2122, 2974, 4244, 5305, 5948, 7435, 8488, 10610, 11896, 14870, 16976, 21220, 23792, 29740, 33952, 42440, 47584, 59480, 67904, 84880, 95168, 118960, 135808, 169760, 190336, 237920, 271616, 339520, 380672, 475840, 679040, 951680, 1358080, 1577707, 1903360, 3155414, 6310828, 7888535, 12621656, 15777070, 25243312, 31554140, 50486624, 63108280, 100973248, 126216560, 201946496, 252433120, 403892992, 504866240, 1009732480, 2019464960]

約数ペア:

[(1, 2019464960), (2, 1009732480), (4, 504866240), (5, 403892992), (8, 252433120), (10, 201946496), (16, 126216560), (20, 100973248), (32, 63108280), (40, 50486624), (64, 31554140), (80, 25243312), (128, 15777070), (160, 12621656), (256, 7888535), (320, 6310828), (640, 3155414), (1061, 1903360), (1280, 1577707), (1487, 1358080), (2122, 951680), (2974, 679040), (4244, 475840), (5305, 380672), (5948, 339520), (7435, 271616), (8488, 237920), (10610, 190336), (11896, 169760), (14870, 135808), (16976, 118960), (21220, 95168), (23792, 84880), (29740, 67904), (33952, 59480), (42440, 47584)]