428813240

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{22013}}^1$

素因数の和:22511

約数の個数: 32

約数和(自身を含む): 966854880

約数和(自身を除く): 538041640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 9740, 19480, 22013, 44026, 88052, 110065, 176104, 220130, 440260, 880520, 10720331, 21440662, 42881324, 53601655, 85762648, 107203310, 214406620, 428813240]

約数ペア:

[(1, 428813240), (2, 214406620), (4, 107203310), (5, 85762648), (8, 53601655), (10, 42881324), (20, 21440662), (40, 10720331), (487, 880520), (974, 440260), (1948, 220130), (2435, 176104), (3896, 110065), (4870, 88052), (9740, 44026), (19480, 22013)]