220481840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{162119}}^1$

素因数の和:162149

約数の個数: 40

約数和(自身を含む): 542777760

約数和(自身を除く): 322295920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 162119, 324238, 648476, 810595, 1296952, 1621190, 2593904, 2756023, 3242380, 5512046, 6484760, 11024092, 12969520, 13780115, 22048184, 27560230, 44096368, 55120460, 110240920, 220481840]

約数ペア:

[(1, 220481840), (2, 110240920), (4, 55120460), (5, 44096368), (8, 27560230), (10, 22048184), (16, 13780115), (17, 12969520), (20, 11024092), (34, 6484760), (40, 5512046), (68, 3242380), (80, 2756023), (85, 2593904), (136, 1621190), (170, 1296952), (272, 810595), (340, 648476), (680, 324238), (1360, 162119)]