51521840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28001}}^1$

素因数の和:28037

約数の個数: 40

約数和(自身を含む): 125000928

約数和(自身を除く): 73479088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 28001, 56002, 112004, 140005, 224008, 280010, 448016, 560020, 644023, 1120040, 1288046, 2240080, 2576092, 3220115, 5152184, 6440230, 10304368, 12880460, 25760920, 51521840]

約数ペア:

[(1, 51521840), (2, 25760920), (4, 12880460), (5, 10304368), (8, 6440230), (10, 5152184), (16, 3220115), (20, 2576092), (23, 2240080), (40, 1288046), (46, 1120040), (80, 644023), (92, 560020), (115, 448016), (184, 280010), (230, 224008), (368, 140005), (460, 112004), (920, 56002), (1840, 28001)]