40992400

素因数分解:

$2^4\times 5^2\times {\mathrm{102481}}^1$

素因数の和:102499

約数の個数: 30

約数和(自身を含む): 98485202

約数和(自身を除く): 57492802

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 102481, 204962, 409924, 512405, 819848, 1024810, 1639696, 2049620, 2562025, 4099240, 5124050, 8198480, 10248100, 20496200, 40992400]

約数ペア:

[(1, 40992400), (2, 20496200), (4, 10248100), (5, 8198480), (8, 5124050), (10, 4099240), (16, 2562025), (20, 2049620), (25, 1639696), (40, 1024810), (50, 819848), (80, 512405), (100, 409924), (200, 204962), (400, 102481)]