2016977680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{11743}}^1$

素因数の和:11888

約数の個数: 80

約数和(自身を含む): 4980395520

約数和(自身を除く): 2963417840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 113, 152, 190, 226, 304, 380, 452, 565, 760, 904, 1130, 1520, 1808, 2147, 2260, 4294, 4520, 8588, 9040, 10735, 11743, 17176, 21470, 23486, 34352, 42940, 46972, 58715, 85880, 93944, 117430, 171760, 187888, 223117, 234860, 446234, 469720, 892468, 939440, 1115585, 1326959, 1784936, 2231170, 2653918, 3569872, 4462340, 5307836, 6634795, 8924680, 10615672, 13269590, 17849360, 21231344, 25212221, 26539180, 50424442, 53078360, 100848884, 106156720, 126061105, 201697768, 252122210, 403395536, 504244420, 1008488840, 2016977680]

約数ペア:

[(1, 2016977680), (2, 1008488840), (4, 504244420), (5, 403395536), (8, 252122210), (10, 201697768), (16, 126061105), (19, 106156720), (20, 100848884), (38, 53078360), (40, 50424442), (76, 26539180), (80, 25212221), (95, 21231344), (113, 17849360), (152, 13269590), (190, 10615672), (226, 8924680), (304, 6634795), (380, 5307836), (452, 4462340), (565, 3569872), (760, 2653918), (904, 2231170), (1130, 1784936), (1520, 1326959), (1808, 1115585), (2147, 939440), (2260, 892468), (4294, 469720), (4520, 446234), (8588, 234860), (9040, 223117), (10735, 187888), (11743, 171760), (17176, 117430), (21470, 93944), (23486, 85880), (34352, 58715), (42940, 46972)]