28769960

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6983}}^1$

素因数の和:7097

約数の個数: 32

約数和(自身を含む): 65370240

約数和(自身を除く): 36600280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6983, 13966, 27932, 34915, 55864, 69830, 139660, 279320, 719249, 1438498, 2876996, 3596245, 5753992, 7192490, 14384980, 28769960]

約数ペア:

[(1, 28769960), (2, 14384980), (4, 7192490), (5, 5753992), (8, 3596245), (10, 2876996), (20, 1438498), (40, 719249), (103, 279320), (206, 139660), (412, 69830), (515, 55864), (824, 34915), (1030, 27932), (2060, 13966), (4120, 6983)]