30820240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{35023}}^1$

素因数の和:35047

約数の個数: 40

約数和(自身を含む): 78173568

約数和(自身を除く): 47353328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 35023, 70046, 140092, 175115, 280184, 350230, 385253, 560368, 700460, 770506, 1400920, 1541012, 1926265, 2801840, 3082024, 3852530, 6164048, 7705060, 15410120, 30820240]

約数ペア:

[(1, 30820240), (2, 15410120), (4, 7705060), (5, 6164048), (8, 3852530), (10, 3082024), (11, 2801840), (16, 1926265), (20, 1541012), (22, 1400920), (40, 770506), (44, 700460), (55, 560368), (80, 385253), (88, 350230), (110, 280184), (176, 175115), (220, 140092), (440, 70046), (880, 35023)]