127788200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{20611}}^1$

素因数の和:20658

約数の個数: 48

約数和(自身を含む): 306706560

約数和(自身を除く): 178918360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 20611, 41222, 82444, 103055, 164888, 206110, 412220, 515275, 638941, 824440, 1030550, 1277882, 2061100, 2555764, 3194705, 4122200, 5111528, 6389410, 12778820, 15973525, 25557640, 31947050, 63894100, 127788200]

約数ペア:

[(1, 127788200), (2, 63894100), (4, 31947050), (5, 25557640), (8, 15973525), (10, 12778820), (20, 6389410), (25, 5111528), (31, 4122200), (40, 3194705), (50, 2555764), (62, 2061100), (100, 1277882), (124, 1030550), (155, 824440), (200, 638941), (248, 515275), (310, 412220), (620, 206110), (775, 164888), (1240, 103055), (1550, 82444), (3100, 41222), (6200, 20611)]