28448560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1430

約数の個数: 80

約数和(自身を含む): 77691456

約数和(自身を除く): 49242896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1373, 1480, 2072, 2590, 2746, 2960, 4144, 5180, 5492, 6865, 9611, 10360, 10984, 13730, 19222, 20720, 21968, 27460, 38444, 48055, 50801, 54920, 76888, 96110, 101602, 109840, 153776, 192220, 203204, 254005, 355607, 384440, 406408, 508010, 711214, 768880, 812816, 1016020, 1422428, 1778035, 2032040, 2844856, 3556070, 4064080, 5689712, 7112140, 14224280, 28448560]

約数ペア:

[(1, 28448560), (2, 14224280), (4, 7112140), (5, 5689712), (7, 4064080), (8, 3556070), (10, 2844856), (14, 2032040), (16, 1778035), (20, 1422428), (28, 1016020), (35, 812816), (37, 768880), (40, 711214), (56, 508010), (70, 406408), (74, 384440), (80, 355607), (112, 254005), (140, 203204), (148, 192220), (185, 153776), (259, 109840), (280, 101602), (296, 96110), (370, 76888), (518, 54920), (560, 50801), (592, 48055), (740, 38444), (1036, 27460), (1295, 21968), (1373, 20720), (1480, 19222), (2072, 13730), (2590, 10984), (2746, 10360), (2960, 9611), (4144, 6865), (5180, 5492)]