2100181840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{4943}}^1$

素因数の和:5116

約数の個数: 80

約数和(自身を含む): 5031963648

約数和(自身を除く): 2931781808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 113, 188, 226, 235, 376, 452, 470, 565, 752, 904, 940, 1130, 1808, 1880, 2260, 3760, 4520, 4943, 5311, 9040, 9886, 10622, 19772, 21244, 24715, 26555, 39544, 42488, 49430, 53110, 79088, 84976, 98860, 106220, 197720, 212440, 232321, 395440, 424880, 464642, 558559, 929284, 1117118, 1161605, 1858568, 2234236, 2323210, 2792795, 3717136, 4468472, 4646420, 5585590, 8936944, 9292840, 11171180, 18585680, 22342360, 26252273, 44684720, 52504546, 105009092, 131261365, 210018184, 262522730, 420036368, 525045460, 1050090920, 2100181840]

約数ペア:

[(1, 2100181840), (2, 1050090920), (4, 525045460), (5, 420036368), (8, 262522730), (10, 210018184), (16, 131261365), (20, 105009092), (40, 52504546), (47, 44684720), (80, 26252273), (94, 22342360), (113, 18585680), (188, 11171180), (226, 9292840), (235, 8936944), (376, 5585590), (452, 4646420), (470, 4468472), (565, 3717136), (752, 2792795), (904, 2323210), (940, 2234236), (1130, 1858568), (1808, 1161605), (1880, 1117118), (2260, 929284), (3760, 558559), (4520, 464642), (4943, 424880), (5311, 395440), (9040, 232321), (9886, 212440), (10622, 197720), (19772, 106220), (21244, 98860), (24715, 84976), (26555, 79088), (39544, 53110), (42488, 49430)]