30520400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1920

約数の個数: 60

約数和(自身を含む): 75154044

約数和(自身を除く): 44633644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 1861, 2050, 3280, 3722, 4100, 7444, 8200, 9305, 14888, 16400, 18610, 29776, 37220, 46525, 74440, 76301, 93050, 148880, 152602, 186100, 305204, 372200, 381505, 610408, 744400, 763010, 1220816, 1526020, 1907525, 3052040, 3815050, 6104080, 7630100, 15260200, 30520400]

約数ペア:

[(1, 30520400), (2, 15260200), (4, 7630100), (5, 6104080), (8, 3815050), (10, 3052040), (16, 1907525), (20, 1526020), (25, 1220816), (40, 763010), (41, 744400), (50, 610408), (80, 381505), (82, 372200), (100, 305204), (164, 186100), (200, 152602), (205, 148880), (328, 93050), (400, 76301), (410, 74440), (656, 46525), (820, 37220), (1025, 29776), (1640, 18610), (1861, 16400), (2050, 14888), (3280, 9305), (3722, 8200), (4100, 7444)]