12943750

素因数分解:

$2^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 25779600

約数和(自身を除く): 12835850

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 125, 190, 218, 250, 475, 545, 625, 950, 1090, 1250, 2071, 2375, 2725, 3125, 4142, 4750, 5450, 6250, 10355, 11875, 13625, 20710, 23750, 27250, 51775, 59375, 68125, 103550, 118750, 136250, 258875, 340625, 517750, 681250, 1294375, 2588750, 6471875, 12943750]

約数ペア:

[(1, 12943750), (2, 6471875), (5, 2588750), (10, 1294375), (19, 681250), (25, 517750), (38, 340625), (50, 258875), (95, 136250), (109, 118750), (125, 103550), (190, 68125), (218, 59375), (250, 51775), (475, 27250), (545, 23750), (625, 20710), (950, 13625), (1090, 11875), (1250, 10355), (2071, 6250), (2375, 5450), (2725, 4750), (3125, 4142)]