72077500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{2621}}^1$

素因数の和:2656

約数の個数: 60

約数和(自身を含む): 172013688

約数和(自身を除く): 99936188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 625, 1100, 1250, 1375, 2500, 2621, 2750, 5242, 5500, 6875, 10484, 13105, 13750, 26210, 27500, 28831, 52420, 57662, 65525, 115324, 131050, 144155, 262100, 288310, 327625, 576620, 655250, 720775, 1310500, 1441550, 1638125, 2883100, 3276250, 3603875, 6552500, 7207750, 14415500, 18019375, 36038750, 72077500]

約数ペア:

[(1, 72077500), (2, 36038750), (4, 18019375), (5, 14415500), (10, 7207750), (11, 6552500), (20, 3603875), (22, 3276250), (25, 2883100), (44, 1638125), (50, 1441550), (55, 1310500), (100, 720775), (110, 655250), (125, 576620), (220, 327625), (250, 288310), (275, 262100), (500, 144155), (550, 131050), (625, 115324), (1100, 65525), (1250, 57662), (1375, 52420), (2500, 28831), (2621, 27500), (2750, 26210), (5242, 13750), (5500, 13105), (6875, 10484)]