27654920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 66977280

約数和(自身を除く): 39322360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 607, 670, 680, 1139, 1214, 1340, 2278, 2428, 2680, 3035, 4556, 4856, 5695, 6070, 9112, 10319, 11390, 12140, 20638, 22780, 24280, 40669, 41276, 45560, 51595, 81338, 82552, 103190, 162676, 203345, 206380, 325352, 406690, 412760, 691373, 813380, 1382746, 1626760, 2765492, 3456865, 5530984, 6913730, 13827460, 27654920]

約数ペア:

[(1, 27654920), (2, 13827460), (4, 6913730), (5, 5530984), (8, 3456865), (10, 2765492), (17, 1626760), (20, 1382746), (34, 813380), (40, 691373), (67, 412760), (68, 406690), (85, 325352), (134, 206380), (136, 203345), (170, 162676), (268, 103190), (335, 82552), (340, 81338), (536, 51595), (607, 45560), (670, 41276), (680, 40669), (1139, 24280), (1214, 22780), (1340, 20638), (2278, 12140), (2428, 11390), (2680, 10319), (3035, 9112), (4556, 6070), (4856, 5695)]