31244480

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:657

約数の個数: 56

約数和(自身を含む): 74889360

約数和(自身を除く): 43644880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 389, 502, 778, 1004, 1255, 1556, 1945, 2008, 2510, 3112, 3890, 4016, 5020, 6224, 7780, 8032, 10040, 12448, 15560, 16064, 20080, 24896, 31120, 40160, 62240, 80320, 97639, 124480, 195278, 390556, 488195, 781112, 976390, 1562224, 1952780, 3124448, 3905560, 6248896, 7811120, 15622240, 31244480]

約数ペア:

[(1, 31244480), (2, 15622240), (4, 7811120), (5, 6248896), (8, 3905560), (10, 3124448), (16, 1952780), (20, 1562224), (32, 976390), (40, 781112), (64, 488195), (80, 390556), (160, 195278), (251, 124480), (320, 97639), (389, 80320), (502, 62240), (778, 40160), (1004, 31120), (1255, 24896), (1556, 20080), (1945, 16064), (2008, 15560), (2510, 12448), (3112, 10040), (3890, 8032), (4016, 7780), (5020, 6224)]