131997400

素因数分解:

$2^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{4049}}^1$

素因数の和:4228

約数の個数: 48

約数和(自身を含む): 308853000

約数和(自身を除く): 176855600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 163, 200, 326, 652, 815, 1304, 1630, 3260, 4049, 4075, 6520, 8098, 8150, 16196, 16300, 20245, 32392, 32600, 40490, 80980, 101225, 161960, 202450, 404900, 659987, 809800, 1319974, 2639948, 3299935, 5279896, 6599870, 13199740, 16499675, 26399480, 32999350, 65998700, 131997400]

約数ペア:

[(1, 131997400), (2, 65998700), (4, 32999350), (5, 26399480), (8, 16499675), (10, 13199740), (20, 6599870), (25, 5279896), (40, 3299935), (50, 2639948), (100, 1319974), (163, 809800), (200, 659987), (326, 404900), (652, 202450), (815, 161960), (1304, 101225), (1630, 80980), (3260, 40490), (4049, 32600), (4075, 32392), (6520, 20245), (8098, 16300), (8150, 16196)]