4195540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 9321984

約数和(自身を除く): 5126444

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 101, 124, 134, 155, 202, 268, 310, 335, 404, 505, 620, 670, 1010, 1340, 2020, 2077, 3131, 4154, 6262, 6767, 8308, 10385, 12524, 13534, 15655, 20770, 27068, 31310, 33835, 41540, 62620, 67670, 135340, 209777, 419554, 839108, 1048885, 2097770, 4195540]

約数ペア:

[(1, 4195540), (2, 2097770), (4, 1048885), (5, 839108), (10, 419554), (20, 209777), (31, 135340), (62, 67670), (67, 62620), (101, 41540), (124, 33835), (134, 31310), (155, 27068), (202, 20770), (268, 15655), (310, 13534), (335, 12524), (404, 10385), (505, 8308), (620, 6767), (670, 6262), (1010, 4154), (1340, 3131), (2020, 2077)]