220884560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1303}}^1$

素因数の和:1492

約数の個数: 80

約数和(自身を含む): 556881024

約数和(自身を除く): 335996464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 520, 652, 815, 1040, 1303, 1304, 1630, 2119, 2606, 2608, 3260, 4238, 5212, 6515, 6520, 8476, 10424, 10595, 13030, 13040, 16939, 16952, 20848, 21190, 26060, 33878, 33904, 42380, 52120, 67756, 84695, 84760, 104240, 135512, 169390, 169520, 212389, 271024, 338780, 424778, 677560, 849556, 1061945, 1355120, 1699112, 2123890, 2761057, 3398224, 4247780, 5522114, 8495560, 11044228, 13805285, 16991120, 22088456, 27610570, 44176912, 55221140, 110442280, 220884560]

約数ペア:

[(1, 220884560), (2, 110442280), (4, 55221140), (5, 44176912), (8, 27610570), (10, 22088456), (13, 16991120), (16, 13805285), (20, 11044228), (26, 8495560), (40, 5522114), (52, 4247780), (65, 3398224), (80, 2761057), (104, 2123890), (130, 1699112), (163, 1355120), (208, 1061945), (260, 849556), (326, 677560), (520, 424778), (652, 338780), (815, 271024), (1040, 212389), (1303, 169520), (1304, 169390), (1630, 135512), (2119, 104240), (2606, 84760), (2608, 84695), (3260, 67756), (4238, 52120), (5212, 42380), (6515, 33904), (6520, 33878), (8476, 26060), (10424, 21190), (10595, 20848), (13030, 16952), (13040, 16939)]