28332880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 70870464

約数和(自身を除く): 42537584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 166, 170, 251, 272, 332, 340, 415, 502, 664, 680, 830, 1004, 1255, 1328, 1360, 1411, 1660, 2008, 2510, 2822, 3320, 4016, 4267, 5020, 5644, 6640, 7055, 8534, 10040, 11288, 14110, 17068, 20080, 20833, 21335, 22576, 28220, 34136, 41666, 42670, 56440, 68272, 83332, 85340, 104165, 112880, 166664, 170680, 208330, 333328, 341360, 354161, 416660, 708322, 833320, 1416644, 1666640, 1770805, 2833288, 3541610, 5666576, 7083220, 14166440, 28332880]

約数ペア:

[(1, 28332880), (2, 14166440), (4, 7083220), (5, 5666576), (8, 3541610), (10, 2833288), (16, 1770805), (17, 1666640), (20, 1416644), (34, 833320), (40, 708322), (68, 416660), (80, 354161), (83, 341360), (85, 333328), (136, 208330), (166, 170680), (170, 166664), (251, 112880), (272, 104165), (332, 85340), (340, 83332), (415, 68272), (502, 56440), (664, 42670), (680, 41666), (830, 34136), (1004, 28220), (1255, 22576), (1328, 21335), (1360, 20833), (1411, 20080), (1660, 17068), (2008, 14110), (2510, 11288), (2822, 10040), (3320, 8534), (4016, 7055), (4267, 6640), (5020, 5644)]