30880928

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3907}}^1$

素因数の和:3949

約数の個数: 48

約数和(自身を含む): 68937120

約数和(自身を除く): 38056192

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3907, 3952, 7814, 7904, 15628, 31256, 50791, 62512, 74233, 101582, 125024, 148466, 203164, 296932, 406328, 593864, 812656, 965029, 1187728, 1625312, 1930058, 2375456, 3860116, 7720232, 15440464, 30880928]

約数ペア:

[(1, 30880928), (2, 15440464), (4, 7720232), (8, 3860116), (13, 2375456), (16, 1930058), (19, 1625312), (26, 1187728), (32, 965029), (38, 812656), (52, 593864), (76, 406328), (104, 296932), (152, 203164), (208, 148466), (247, 125024), (304, 101582), (416, 74233), (494, 62512), (608, 50791), (988, 31256), (1976, 15628), (3907, 7904), (3952, 7814)]