2148040

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 4898880

約数和(自身を除く): 2750840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 647, 664, 830, 1294, 1660, 2588, 3235, 3320, 5176, 6470, 12940, 25880, 53701, 107402, 214804, 268505, 429608, 537010, 1074020, 2148040]

約数ペア:

[(1, 2148040), (2, 1074020), (4, 537010), (5, 429608), (8, 268505), (10, 214804), (20, 107402), (40, 53701), (83, 25880), (166, 12940), (332, 6470), (415, 5176), (647, 3320), (664, 3235), (830, 2588), (1294, 1660)]