28175920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15313}}^1$

素因数の和:15349

約数の個数: 40

約数和(自身を含む): 68361696

約数和(自身を除く): 40185776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15313, 30626, 61252, 76565, 122504, 153130, 245008, 306260, 352199, 612520, 704398, 1225040, 1408796, 1760995, 2817592, 3521990, 5635184, 7043980, 14087960, 28175920]

約数ペア:

[(1, 28175920), (2, 14087960), (4, 7043980), (5, 5635184), (8, 3521990), (10, 2817592), (16, 1760995), (20, 1408796), (23, 1225040), (40, 704398), (46, 612520), (80, 352199), (92, 306260), (115, 245008), (184, 153130), (230, 122504), (368, 76565), (460, 61252), (920, 30626), (1840, 15313)]