4912400

素因数分解:

$2^4\times 5^2\times {\mathrm{12281}}^1$

素因数の和:12299

約数の個数: 30

約数和(自身を含む): 11803002

約数和(自身を除く): 6890602

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 12281, 24562, 49124, 61405, 98248, 122810, 196496, 245620, 307025, 491240, 614050, 982480, 1228100, 2456200, 4912400]

約数ペア:

[(1, 4912400), (2, 2456200), (4, 1228100), (5, 982480), (8, 614050), (10, 491240), (16, 307025), (20, 245620), (25, 196496), (40, 122810), (50, 98248), (80, 61405), (100, 49124), (200, 24562), (400, 12281)]