4202500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^2$

素因数の和:106

約数の個数: 45

約数和(自身を含む): 9419641

約数和(自身を除く): 5217141

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 625, 820, 1025, 1250, 1681, 2050, 2500, 3362, 4100, 5125, 6724, 8405, 10250, 16810, 20500, 25625, 33620, 42025, 51250, 84050, 102500, 168100, 210125, 420250, 840500, 1050625, 2101250, 4202500]

約数ペア:

[(1, 4202500), (2, 2101250), (4, 1050625), (5, 840500), (10, 420250), (20, 210125), (25, 168100), (41, 102500), (50, 84050), (82, 51250), (100, 42025), (125, 33620), (164, 25625), (205, 20500), (250, 16810), (410, 10250), (500, 8405), (625, 6724), (820, 5125), (1025, 4100), (1250, 3362), (1681, 2500)]