28904320

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2377}}^1$

素因数の和:2415

約数の個数: 64

約数和(自身を含む): 72766800

約数和(自身を除く): 43862480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2377, 2432, 3040, 4754, 6080, 9508, 11885, 12160, 19016, 23770, 38032, 45163, 47540, 76064, 90326, 95080, 152128, 180652, 190160, 225815, 304256, 361304, 380320, 451630, 722608, 760640, 903260, 1445216, 1521280, 1806520, 2890432, 3613040, 5780864, 7226080, 14452160, 28904320]

約数ペア:

[(1, 28904320), (2, 14452160), (4, 7226080), (5, 5780864), (8, 3613040), (10, 2890432), (16, 1806520), (19, 1521280), (20, 1445216), (32, 903260), (38, 760640), (40, 722608), (64, 451630), (76, 380320), (80, 361304), (95, 304256), (128, 225815), (152, 190160), (160, 180652), (190, 152128), (304, 95080), (320, 90326), (380, 76064), (608, 47540), (640, 45163), (760, 38032), (1216, 23770), (1520, 19016), (2377, 12160), (2432, 11885), (3040, 9508), (4754, 6080)]