40525000

素因数分解:

$2^3\times 5^5\times {\mathrm{1621}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 95032980

約数和(自身を除く): 54507980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1621, 2500, 3125, 3242, 5000, 6250, 6484, 8105, 12500, 12968, 16210, 25000, 32420, 40525, 64840, 81050, 162100, 202625, 324200, 405250, 810500, 1013125, 1621000, 2026250, 4052500, 5065625, 8105000, 10131250, 20262500, 40525000]

約数ペア:

[(1, 40525000), (2, 20262500), (4, 10131250), (5, 8105000), (8, 5065625), (10, 4052500), (20, 2026250), (25, 1621000), (40, 1013125), (50, 810500), (100, 405250), (125, 324200), (200, 202625), (250, 162100), (500, 81050), (625, 64840), (1000, 40525), (1250, 32420), (1621, 25000), (2500, 16210), (3125, 12968), (3242, 12500), (5000, 8105), (6250, 6484)]