16331350240

素因数分解:

$2^5\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{51061}}^1$

素因数の和:53075

約数の個数: 48

約数和(自身を含む): 38602872000

約数和(自身を除く): 22271521760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1999, 3998, 7996, 9995, 15992, 19990, 31984, 39980, 51061, 63968, 79960, 102122, 159920, 204244, 255305, 319840, 408488, 510610, 816976, 1021220, 1633952, 2042440, 4084880, 8169760, 102070939, 204141878, 408283756, 510354695, 816567512, 1020709390, 1633135024, 2041418780, 3266270048, 4082837560, 8165675120, 16331350240]

約数ペア:

[(1, 16331350240), (2, 8165675120), (4, 4082837560), (5, 3266270048), (8, 2041418780), (10, 1633135024), (16, 1020709390), (20, 816567512), (32, 510354695), (40, 408283756), (80, 204141878), (160, 102070939), (1999, 8169760), (3998, 4084880), (7996, 2042440), (9995, 1633952), (15992, 1021220), (19990, 816976), (31984, 510610), (39980, 408488), (51061, 319840), (63968, 255305), (79960, 204244), (102122, 159920)]