28993900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22303}}^1$

素因数の和:22330

約数の個数: 36

約数和(自身を含む): 67759552

約数和(自身を除く): 38765652

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 22303, 44606, 89212, 111515, 223030, 289939, 446060, 557575, 579878, 1115150, 1159756, 1449695, 2230300, 2899390, 5798780, 7248475, 14496950, 28993900]

約数ペア:

[(1, 28993900), (2, 14496950), (4, 7248475), (5, 5798780), (10, 2899390), (13, 2230300), (20, 1449695), (25, 1159756), (26, 1115150), (50, 579878), (52, 557575), (65, 446060), (100, 289939), (130, 223030), (260, 111515), (325, 89212), (650, 44606), (1300, 22303)]