77038120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31573}}^1$

素因数の和:31645

約数の個数: 32

約数和(自身を含む): 176182920

約数和(自身を除く): 99144800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 31573, 63146, 126292, 157865, 252584, 315730, 631460, 1262920, 1925953, 3851906, 7703812, 9629765, 15407624, 19259530, 38519060, 77038120]

約数ペア:

[(1, 77038120), (2, 38519060), (4, 19259530), (5, 15407624), (8, 9629765), (10, 7703812), (20, 3851906), (40, 1925953), (61, 1262920), (122, 631460), (244, 315730), (305, 252584), (488, 157865), (610, 126292), (1220, 63146), (2440, 31573)]