31977760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 81224640

約数和(自身を除く): 49246880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 67, 76, 80, 95, 134, 152, 157, 160, 190, 268, 304, 314, 335, 380, 536, 608, 628, 670, 760, 785, 1072, 1256, 1273, 1340, 1520, 1570, 2144, 2512, 2546, 2680, 2983, 3040, 3140, 5024, 5092, 5360, 5966, 6280, 6365, 10184, 10519, 10720, 11932, 12560, 12730, 14915, 20368, 21038, 23864, 25120, 25460, 29830, 40736, 42076, 47728, 50920, 52595, 59660, 84152, 95456, 101840, 105190, 119320, 168304, 199861, 203680, 210380, 238640, 336608, 399722, 420760, 477280, 799444, 841520, 999305, 1598888, 1683040, 1998610, 3197776, 3997220, 6395552, 7994440, 15988880, 31977760]

約数ペア:

[(1, 31977760), (2, 15988880), (4, 7994440), (5, 6395552), (8, 3997220), (10, 3197776), (16, 1998610), (19, 1683040), (20, 1598888), (32, 999305), (38, 841520), (40, 799444), (67, 477280), (76, 420760), (80, 399722), (95, 336608), (134, 238640), (152, 210380), (157, 203680), (160, 199861), (190, 168304), (268, 119320), (304, 105190), (314, 101840), (335, 95456), (380, 84152), (536, 59660), (608, 52595), (628, 50920), (670, 47728), (760, 42076), (785, 40736), (1072, 29830), (1256, 25460), (1273, 25120), (1340, 23864), (1520, 21038), (1570, 20368), (2144, 14915), (2512, 12730), (2546, 12560), (2680, 11932), (2983, 10720), (3040, 10519), (3140, 10184), (5024, 6365), (5092, 6280), (5360, 5966)]