78896960

素因数分解:

$2^6\times 5^1\times {\mathrm{373}}^1\times {\mathrm{661}}^1$

素因数の和:1051

約数の個数: 56

約数和(自身を含む): 188662056

約数和(自身を除く): 109765096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 373, 661, 746, 1322, 1492, 1865, 2644, 2984, 3305, 3730, 5288, 5968, 6610, 7460, 10576, 11936, 13220, 14920, 21152, 23872, 26440, 29840, 42304, 52880, 59680, 105760, 119360, 211520, 246553, 493106, 986212, 1232765, 1972424, 2465530, 3944848, 4931060, 7889696, 9862120, 15779392, 19724240, 39448480, 78896960]

約数ペア:

[(1, 78896960), (2, 39448480), (4, 19724240), (5, 15779392), (8, 9862120), (10, 7889696), (16, 4931060), (20, 3944848), (32, 2465530), (40, 1972424), (64, 1232765), (80, 986212), (160, 493106), (320, 246553), (373, 211520), (661, 119360), (746, 105760), (1322, 59680), (1492, 52880), (1865, 42304), (2644, 29840), (2984, 26440), (3305, 23872), (3730, 21152), (5288, 14920), (5968, 13220), (6610, 11936), (7460, 10576)]