88945840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 219628800

約数和(自身を除く): 130682960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 163, 190, 304, 326, 359, 380, 652, 718, 760, 815, 1304, 1436, 1520, 1630, 1795, 2608, 2872, 3097, 3260, 3590, 5744, 6194, 6520, 6821, 7180, 12388, 13040, 13642, 14360, 15485, 24776, 27284, 28720, 30970, 34105, 49552, 54568, 58517, 61940, 68210, 109136, 117034, 123880, 136420, 234068, 247760, 272840, 292585, 468136, 545680, 585170, 936272, 1111823, 1170340, 2223646, 2340680, 4447292, 4681360, 5559115, 8894584, 11118230, 17789168, 22236460, 44472920, 88945840]

約数ペア:

[(1, 88945840), (2, 44472920), (4, 22236460), (5, 17789168), (8, 11118230), (10, 8894584), (16, 5559115), (19, 4681360), (20, 4447292), (38, 2340680), (40, 2223646), (76, 1170340), (80, 1111823), (95, 936272), (152, 585170), (163, 545680), (190, 468136), (304, 292585), (326, 272840), (359, 247760), (380, 234068), (652, 136420), (718, 123880), (760, 117034), (815, 109136), (1304, 68210), (1436, 61940), (1520, 58517), (1630, 54568), (1795, 49552), (2608, 34105), (2872, 30970), (3097, 28720), (3260, 27284), (3590, 24776), (5744, 15485), (6194, 14360), (6520, 13642), (6821, 13040), (7180, 12388)]