128804600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{28001}}^1$

素因数の和:28040

約数の個数: 48

約数和(自身を含む): 312502320

約数和(自身を除く): 183697720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4600, 28001, 56002, 112004, 140005, 224008, 280010, 560020, 644023, 700025, 1120040, 1288046, 1400050, 2576092, 2800100, 3220115, 5152184, 5600200, 6440230, 12880460, 16100575, 25760920, 32201150, 64402300, 128804600]

約数ペア:

[(1, 128804600), (2, 64402300), (4, 32201150), (5, 25760920), (8, 16100575), (10, 12880460), (20, 6440230), (23, 5600200), (25, 5152184), (40, 3220115), (46, 2800100), (50, 2576092), (92, 1400050), (100, 1288046), (115, 1120040), (184, 700025), (200, 644023), (230, 560020), (460, 280010), (575, 224008), (920, 140005), (1150, 112004), (2300, 56002), (4600, 28001)]