42025000

素因数分解:

$2^3\times 5^5\times {\mathrm{41}}^2$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 100950570

約数和(自身を除く): 58925570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 625, 820, 1000, 1025, 1250, 1640, 1681, 2050, 2500, 3125, 3362, 4100, 5000, 5125, 6250, 6724, 8200, 8405, 10250, 12500, 13448, 16810, 20500, 25000, 25625, 33620, 41000, 42025, 51250, 67240, 84050, 102500, 128125, 168100, 205000, 210125, 256250, 336200, 420250, 512500, 840500, 1025000, 1050625, 1681000, 2101250, 4202500, 5253125, 8405000, 10506250, 21012500, 42025000]

約数ペア:

[(1, 42025000), (2, 21012500), (4, 10506250), (5, 8405000), (8, 5253125), (10, 4202500), (20, 2101250), (25, 1681000), (40, 1050625), (41, 1025000), (50, 840500), (82, 512500), (100, 420250), (125, 336200), (164, 256250), (200, 210125), (205, 205000), (250, 168100), (328, 128125), (410, 102500), (500, 84050), (625, 67240), (820, 51250), (1000, 42025), (1025, 41000), (1250, 33620), (1640, 25625), (1681, 25000), (2050, 20500), (2500, 16810), (3125, 13448), (3362, 12500), (4100, 10250), (5000, 8405), (5125, 8200), (6250, 6724)]