2118795440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{854353}}^1$

素因数の和:854397

約数の個数: 40

約数和(自身を含む): 5085115008

約数和(自身を除く): 2966319568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 854353, 1708706, 3417412, 4271765, 6834824, 8543530, 13669648, 17087060, 26484943, 34174120, 52969886, 68348240, 105939772, 132424715, 211879544, 264849430, 423759088, 529698860, 1059397720, 2118795440]

約数ペア:

[(1, 2118795440), (2, 1059397720), (4, 529698860), (5, 423759088), (8, 264849430), (10, 211879544), (16, 132424715), (20, 105939772), (31, 68348240), (40, 52969886), (62, 34174120), (80, 26484943), (124, 17087060), (155, 13669648), (248, 8543530), (310, 6834824), (496, 4271765), (620, 3417412), (1240, 1708706), (2480, 854353)]