26237780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 31339180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 419, 505, 620, 838, 1010, 1676, 2020, 2095, 3131, 4190, 6262, 8380, 12524, 12989, 15655, 25978, 31310, 42319, 51956, 62620, 64945, 84638, 129890, 169276, 211595, 259780, 423190, 846380, 1311889, 2623778, 5247556, 6559445, 13118890, 26237780]

約数ペア:

[(1, 26237780), (2, 13118890), (4, 6559445), (5, 5247556), (10, 2623778), (20, 1311889), (31, 846380), (62, 423190), (101, 259780), (124, 211595), (155, 169276), (202, 129890), (310, 84638), (404, 64945), (419, 62620), (505, 51956), (620, 42319), (838, 31310), (1010, 25978), (1676, 15655), (2020, 12989), (2095, 12524), (3131, 8380), (4190, 6262)]