2533940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 5666304

約数和(自身を除く): 3132364

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 67, 122, 124, 134, 155, 244, 268, 305, 310, 335, 610, 620, 670, 1220, 1340, 1891, 2077, 3782, 4087, 4154, 7564, 8174, 8308, 9455, 10385, 16348, 18910, 20435, 20770, 37820, 40870, 41540, 81740, 126697, 253394, 506788, 633485, 1266970, 2533940]

約数ペア:

[(1, 2533940), (2, 1266970), (4, 633485), (5, 506788), (10, 253394), (20, 126697), (31, 81740), (61, 41540), (62, 40870), (67, 37820), (122, 20770), (124, 20435), (134, 18910), (155, 16348), (244, 10385), (268, 9455), (305, 8308), (310, 8174), (335, 7564), (610, 4154), (620, 4087), (670, 3782), (1220, 2077), (1340, 1891)]