2020403275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{823}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 2795535360

約数和(自身を除く): 775132085

約数列:

[1, 5, 11, 25, 55, 79, 113, 275, 395, 565, 823, 869, 1243, 1975, 2825, 4115, 4345, 6215, 8927, 9053, 20575, 21725, 31075, 44635, 45265, 65017, 92999, 98197, 223175, 226325, 325085, 464995, 490985, 715187, 1022989, 1625425, 2324975, 2454925, 3575935, 5114945, 7346921, 17879675, 25574725, 36734605, 80816131, 183673025, 404080655, 2020403275]

約数ペア:

[(1, 2020403275), (5, 404080655), (11, 183673025), (25, 80816131), (55, 36734605), (79, 25574725), (113, 17879675), (275, 7346921), (395, 5114945), (565, 3575935), (823, 2454925), (869, 2324975), (1243, 1625425), (1975, 1022989), (2825, 715187), (4115, 490985), (4345, 464995), (6215, 325085), (8927, 226325), (9053, 223175), (20575, 98197), (21725, 92999), (31075, 65017), (44635, 45265)]