2016121900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1123}}^1\times {\mathrm{1381}}^1$

素因数の和:2531

約数の個数: 72

約数和(自身を含む): 4719131984

約数和(自身を除く): 2703010084

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1123, 1300, 1381, 2246, 2762, 4492, 5524, 5615, 6905, 11230, 13810, 14599, 17953, 22460, 27620, 28075, 29198, 34525, 35906, 56150, 58396, 69050, 71812, 72995, 89765, 112300, 138100, 145990, 179530, 291980, 359060, 364975, 448825, 729950, 897650, 1459900, 1550863, 1795300, 3101726, 6203452, 7754315, 15508630, 20161219, 31017260, 38771575, 40322438, 77543150, 80644876, 100806095, 155086300, 201612190, 403224380, 504030475, 1008060950, 2016121900]

約数ペア:

[(1, 2016121900), (2, 1008060950), (4, 504030475), (5, 403224380), (10, 201612190), (13, 155086300), (20, 100806095), (25, 80644876), (26, 77543150), (50, 40322438), (52, 38771575), (65, 31017260), (100, 20161219), (130, 15508630), (260, 7754315), (325, 6203452), (650, 3101726), (1123, 1795300), (1300, 1550863), (1381, 1459900), (2246, 897650), (2762, 729950), (4492, 448825), (5524, 364975), (5615, 359060), (6905, 291980), (11230, 179530), (13810, 145990), (14599, 138100), (17953, 112300), (22460, 89765), (27620, 72995), (28075, 71812), (29198, 69050), (34525, 58396), (35906, 56150)]