28945040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15731}}^1$

素因数の和:15767

約数の個数: 40

約数和(自身を含む): 70227648

約数和(自身を除く): 41282608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15731, 31462, 62924, 78655, 125848, 157310, 251696, 314620, 361813, 629240, 723626, 1258480, 1447252, 1809065, 2894504, 3618130, 5789008, 7236260, 14472520, 28945040]

約数ペア:

[(1, 28945040), (2, 14472520), (4, 7236260), (5, 5789008), (8, 3618130), (10, 2894504), (16, 1809065), (20, 1447252), (23, 1258480), (40, 723626), (46, 629240), (80, 361813), (92, 314620), (115, 251696), (184, 157310), (230, 125848), (368, 78655), (460, 62924), (920, 31462), (1840, 15731)]