77866720

素因数分解:

$2^5\times 5^1\times {\mathrm{486667}}^1$

素因数の和:486682

約数の個数: 24

約数和(自身を含む): 183960504

約数和(自身を除く): 106093784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 486667, 973334, 1946668, 2433335, 3893336, 4866670, 7786672, 9733340, 15573344, 19466680, 38933360, 77866720]

約数ペア:

[(1, 77866720), (2, 38933360), (4, 19466680), (5, 15573344), (8, 9733340), (10, 7786672), (16, 4866670), (20, 3893336), (32, 2433335), (40, 1946668), (80, 973334), (160, 486667)]