161077520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49109}}^1$

素因数の和:49163

約数の個数: 40

約数和(自身を含む): 383647320

約数和(自身を除く): 222569800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 49109, 98218, 196436, 245545, 392872, 491090, 785744, 982180, 1964360, 2013469, 3928720, 4026938, 8053876, 10067345, 16107752, 20134690, 32215504, 40269380, 80538760, 161077520]

約数ペア:

[(1, 161077520), (2, 80538760), (4, 40269380), (5, 32215504), (8, 20134690), (10, 16107752), (16, 10067345), (20, 8053876), (40, 4026938), (41, 3928720), (80, 2013469), (82, 1964360), (164, 982180), (205, 785744), (328, 491090), (410, 392872), (656, 245545), (820, 196436), (1640, 98218), (3280, 49109)]