23122280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 32519320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 643, 899, 1160, 1240, 1286, 1798, 2572, 3215, 3596, 4495, 5144, 6430, 7192, 8990, 12860, 17980, 18647, 19933, 25720, 35960, 37294, 39866, 74588, 79732, 93235, 99665, 149176, 159464, 186470, 199330, 372940, 398660, 578057, 745880, 797320, 1156114, 2312228, 2890285, 4624456, 5780570, 11561140, 23122280]

約数ペア:

[(1, 23122280), (2, 11561140), (4, 5780570), (5, 4624456), (8, 2890285), (10, 2312228), (20, 1156114), (29, 797320), (31, 745880), (40, 578057), (58, 398660), (62, 372940), (116, 199330), (124, 186470), (145, 159464), (155, 149176), (232, 99665), (248, 93235), (290, 79732), (310, 74588), (580, 39866), (620, 37294), (643, 35960), (899, 25720), (1160, 19933), (1240, 18647), (1286, 17980), (1798, 12860), (2572, 8990), (3215, 7192), (3596, 6430), (4495, 5144)]