2201840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1619}}^1$

素因数の和:1649

約数の個数: 40

約数和(自身を含む): 5423760

約数和(自身を除く): 3221920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1619, 3238, 6476, 8095, 12952, 16190, 25904, 27523, 32380, 55046, 64760, 110092, 129520, 137615, 220184, 275230, 440368, 550460, 1100920, 2201840]

約数ペア:

[(1, 2201840), (2, 1100920), (4, 550460), (5, 440368), (8, 275230), (10, 220184), (16, 137615), (17, 129520), (20, 110092), (34, 64760), (40, 55046), (68, 32380), (80, 27523), (85, 25904), (136, 16190), (170, 12952), (272, 8095), (340, 6476), (680, 3238), (1360, 1619)]