13257400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5099}}^1$

素因数の和:5128

約数の個数: 48

約数和(自身を含む): 33201000

約数和(自身を除く): 19943600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 5099, 10198, 20396, 25495, 40792, 50990, 66287, 101980, 127475, 132574, 203960, 254950, 265148, 331435, 509900, 530296, 662870, 1019800, 1325740, 1657175, 2651480, 3314350, 6628700, 13257400]

約数ペア:

[(1, 13257400), (2, 6628700), (4, 3314350), (5, 2651480), (8, 1657175), (10, 1325740), (13, 1019800), (20, 662870), (25, 530296), (26, 509900), (40, 331435), (50, 265148), (52, 254950), (65, 203960), (100, 132574), (104, 127475), (130, 101980), (200, 66287), (260, 50990), (325, 40792), (520, 25495), (650, 20396), (1300, 10198), (2600, 5099)]