40453400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15559}}^1$

素因数の和:15588

約数の個数: 48

約数和(自身を含む): 101295600

約数和(自身を除く): 60842200

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, 15559, 31118, 62236, 77795, 124472, 155590, 202267, 311180, 388975, 404534, 622360, 777950, 809068, 1011335, 1555900, 1618136, 2022670, 3111800, 4045340, 5056675, 8090680, 10113350, 20226700, 40453400]

約数ペア:

[(1, 40453400), (2, 20226700), (4, 10113350), (5, 8090680), (8, 5056675), (10, 4045340), (13, 3111800), (20, 2022670), (25, 1618136), (26, 1555900), (40, 1011335), (50, 809068), (52, 777950), (65, 622360), (100, 404534), (104, 388975), (130, 311180), (200, 202267), (260, 155590), (325, 124472), (520, 77795), (650, 62236), (1300, 31118), (2600, 15559)]