12822500

素因数分解:

$2^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 60

約数和(自身を含む): 29390592

約数和(自身を除く): 16568092

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 223, 230, 250, 446, 460, 500, 575, 625, 892, 1115, 1150, 1250, 2230, 2300, 2500, 2875, 4460, 5129, 5575, 5750, 10258, 11150, 11500, 14375, 20516, 22300, 25645, 27875, 28750, 51290, 55750, 57500, 102580, 111500, 128225, 139375, 256450, 278750, 512900, 557500, 641125, 1282250, 2564500, 3205625, 6411250, 12822500]

約数ペア:

[(1, 12822500), (2, 6411250), (4, 3205625), (5, 2564500), (10, 1282250), (20, 641125), (23, 557500), (25, 512900), (46, 278750), (50, 256450), (92, 139375), (100, 128225), (115, 111500), (125, 102580), (223, 57500), (230, 55750), (250, 51290), (446, 28750), (460, 27875), (500, 25645), (575, 22300), (625, 20516), (892, 14375), (1115, 11500), (1150, 11150), (1250, 10258), (2230, 5750), (2300, 5575), (2500, 5129), (2875, 4460)]