87010340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 186278400

約数和(自身を除く): 99268060

約数列:

[1, 2, 4, 5, 10, 20, 109, 167, 218, 239, 334, 436, 478, 545, 668, 835, 956, 1090, 1195, 1670, 2180, 2390, 3340, 4780, 18203, 26051, 36406, 39913, 52102, 72812, 79826, 91015, 104204, 130255, 159652, 182030, 199565, 260510, 364060, 399130, 521020, 798260, 4350517, 8701034, 17402068, 21752585, 43505170, 87010340]

約数ペア:

[(1, 87010340), (2, 43505170), (4, 21752585), (5, 17402068), (10, 8701034), (20, 4350517), (109, 798260), (167, 521020), (218, 399130), (239, 364060), (334, 260510), (436, 199565), (478, 182030), (545, 159652), (668, 130255), (835, 104204), (956, 91015), (1090, 79826), (1195, 72812), (1670, 52102), (2180, 39913), (2390, 36406), (3340, 26051), (4780, 18203)]