2015407960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1625329}}^1$

素因数の和:1625371

約数の個数: 32

約数和(自身を含む): 4680950400

約数和(自身を除く): 2665542440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1625329, 3250658, 6501316, 8126645, 13002632, 16253290, 32506580, 50385199, 65013160, 100770398, 201540796, 251925995, 403081592, 503851990, 1007703980, 2015407960]

約数ペア:

[(1, 2015407960), (2, 1007703980), (4, 503851990), (5, 403081592), (8, 251925995), (10, 201540796), (20, 100770398), (31, 65013160), (40, 50385199), (62, 32506580), (124, 16253290), (155, 13002632), (248, 8126645), (310, 6501316), (620, 3250658), (1240, 1625329)]