2013200680

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1\times {\mathrm{911}}^1$

素因数の和:1570

約数の個数: 64

約数和(自身を含む): 4587943680

約数和(自身を除く): 2574743000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 547, 808, 911, 1010, 1094, 1822, 2020, 2188, 2735, 3644, 4040, 4376, 4555, 5470, 7288, 9110, 10940, 18220, 21880, 36440, 55247, 92011, 110494, 184022, 220988, 276235, 368044, 441976, 460055, 498317, 552470, 736088, 920110, 996634, 1104940, 1840220, 1993268, 2209880, 2491585, 3680440, 3986536, 4983170, 9966340, 19932680, 50330017, 100660034, 201320068, 251650085, 402640136, 503300170, 1006600340, 2013200680]

約数ペア:

[(1, 2013200680), (2, 1006600340), (4, 503300170), (5, 402640136), (8, 251650085), (10, 201320068), (20, 100660034), (40, 50330017), (101, 19932680), (202, 9966340), (404, 4983170), (505, 3986536), (547, 3680440), (808, 2491585), (911, 2209880), (1010, 1993268), (1094, 1840220), (1822, 1104940), (2020, 996634), (2188, 920110), (2735, 736088), (3644, 552470), (4040, 498317), (4376, 460055), (4555, 441976), (5470, 368044), (7288, 276235), (9110, 220988), (10940, 184022), (18220, 110494), (21880, 92011), (36440, 55247)]