4021540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{557}}^1$

素因数の和:604

約数の個数: 36

約数和(自身を含む): 8929116

約数和(自身を除く): 4907576

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 557, 722, 1114, 1444, 1805, 2228, 2785, 3610, 5570, 7220, 10583, 11140, 21166, 42332, 52915, 105830, 201077, 211660, 402154, 804308, 1005385, 2010770, 4021540]

約数ペア:

[(1, 4021540), (2, 2010770), (4, 1005385), (5, 804308), (10, 402154), (19, 211660), (20, 201077), (38, 105830), (76, 52915), (95, 42332), (190, 21166), (361, 11140), (380, 10583), (557, 7220), (722, 5570), (1114, 3610), (1444, 2785), (1805, 2228)]