200434840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{161641}}^1$

素因数の和:161683

約数の個数: 32

約数和(自身を含む): 465528960

約数和(自身を除く): 265094120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 161641, 323282, 646564, 808205, 1293128, 1616410, 3232820, 5010871, 6465640, 10021742, 20043484, 25054355, 40086968, 50108710, 100217420, 200434840]

約数ペア:

[(1, 200434840), (2, 100217420), (4, 50108710), (5, 40086968), (8, 25054355), (10, 20043484), (20, 10021742), (31, 6465640), (40, 5010871), (62, 3232820), (124, 1616410), (155, 1293128), (248, 808205), (310, 646564), (620, 323282), (1240, 161641)]