83921560

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6703}}^1$

素因数の和:7027

約数の個数: 32

約数和(自身を含む): 189455040

約数和(自身を除く): 105533480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 6703, 12520, 13406, 26812, 33515, 53624, 67030, 134060, 268120, 2098039, 4196078, 8392156, 10490195, 16784312, 20980390, 41960780, 83921560]

約数ペア:

[(1, 83921560), (2, 41960780), (4, 20980390), (5, 16784312), (8, 10490195), (10, 8392156), (20, 4196078), (40, 2098039), (313, 268120), (626, 134060), (1252, 67030), (1565, 53624), (2504, 33515), (3130, 26812), (6260, 13406), (6703, 12520)]