28407760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15439}}^1$

素因数の和:15475

約数の個数: 40

約数和(自身を含む): 68924160

約数和(自身を除く): 40516400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15439, 30878, 61756, 77195, 123512, 154390, 247024, 308780, 355097, 617560, 710194, 1235120, 1420388, 1775485, 2840776, 3550970, 5681552, 7101940, 14203880, 28407760]

約数ペア:

[(1, 28407760), (2, 14203880), (4, 7101940), (5, 5681552), (8, 3550970), (10, 2840776), (16, 1775485), (20, 1420388), (23, 1235120), (40, 710194), (46, 617560), (80, 355097), (92, 308780), (115, 247024), (184, 154390), (230, 123512), (368, 77195), (460, 61756), (920, 30878), (1840, 15439)]