22878520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 59486400

約数和(自身を除く): 36607880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 809, 1010, 1414, 1618, 2020, 2828, 3236, 3535, 4040, 4045, 5656, 5663, 6472, 7070, 8090, 11326, 14140, 16180, 22652, 28280, 28315, 32360, 45304, 56630, 81709, 113260, 163418, 226520, 326836, 408545, 571963, 653672, 817090, 1143926, 1634180, 2287852, 2859815, 3268360, 4575704, 5719630, 11439260, 22878520]

約数ペア:

[(1, 22878520), (2, 11439260), (4, 5719630), (5, 4575704), (7, 3268360), (8, 2859815), (10, 2287852), (14, 1634180), (20, 1143926), (28, 817090), (35, 653672), (40, 571963), (56, 408545), (70, 326836), (101, 226520), (140, 163418), (202, 113260), (280, 81709), (404, 56630), (505, 45304), (707, 32360), (808, 28315), (809, 28280), (1010, 22652), (1414, 16180), (1618, 14140), (2020, 11326), (2828, 8090), (3236, 7070), (3535, 6472), (4040, 5663), (4045, 5656)]