1393040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1583}}^1$

素因数の和:1607

約数の個数: 40

約数和(自身を含む): 3535488

約数和(自身を除く): 2142448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1583, 3166, 6332, 7915, 12664, 15830, 17413, 25328, 31660, 34826, 63320, 69652, 87065, 126640, 139304, 174130, 278608, 348260, 696520, 1393040]

約数ペア:

[(1, 1393040), (2, 696520), (4, 348260), (5, 278608), (8, 174130), (10, 139304), (11, 126640), (16, 87065), (20, 69652), (22, 63320), (40, 34826), (44, 31660), (55, 25328), (80, 17413), (88, 15830), (110, 12664), (176, 7915), (220, 6332), (440, 3166), (880, 1583)]