28671520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 73156608

約数和(自身を除く): 44485088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 83, 85, 127, 136, 160, 166, 170, 254, 272, 332, 340, 415, 508, 544, 635, 664, 680, 830, 1016, 1270, 1328, 1360, 1411, 1660, 2032, 2159, 2540, 2656, 2720, 2822, 3320, 4064, 4318, 5080, 5644, 6640, 7055, 8636, 10160, 10541, 10795, 11288, 13280, 14110, 17272, 20320, 21082, 21590, 22576, 28220, 34544, 42164, 43180, 45152, 52705, 56440, 69088, 84328, 86360, 105410, 112880, 168656, 172720, 179197, 210820, 225760, 337312, 345440, 358394, 421640, 716788, 843280, 895985, 1433576, 1686560, 1791970, 2867152, 3583940, 5734304, 7167880, 14335760, 28671520]

約数ペア:

[(1, 28671520), (2, 14335760), (4, 7167880), (5, 5734304), (8, 3583940), (10, 2867152), (16, 1791970), (17, 1686560), (20, 1433576), (32, 895985), (34, 843280), (40, 716788), (68, 421640), (80, 358394), (83, 345440), (85, 337312), (127, 225760), (136, 210820), (160, 179197), (166, 172720), (170, 168656), (254, 112880), (272, 105410), (332, 86360), (340, 84328), (415, 69088), (508, 56440), (544, 52705), (635, 45152), (664, 43180), (680, 42164), (830, 34544), (1016, 28220), (1270, 22576), (1328, 21590), (1360, 21082), (1411, 20320), (1660, 17272), (2032, 14110), (2159, 13280), (2540, 11288), (2656, 10795), (2720, 10541), (2822, 10160), (3320, 8636), (4064, 7055), (4318, 6640), (5080, 5644)]