77628640

素因数分解:

$2^5\times 5^1\times {\mathrm{653}}^1\times {\mathrm{743}}^1$

素因数の和:1411

約数の個数: 48

約数和(自身を含む): 183925728

約数和(自身を除く): 106297088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 653, 743, 1306, 1486, 2612, 2972, 3265, 3715, 5224, 5944, 6530, 7430, 10448, 11888, 13060, 14860, 20896, 23776, 26120, 29720, 52240, 59440, 104480, 118880, 485179, 970358, 1940716, 2425895, 3881432, 4851790, 7762864, 9703580, 15525728, 19407160, 38814320, 77628640]

約数ペア:

[(1, 77628640), (2, 38814320), (4, 19407160), (5, 15525728), (8, 9703580), (10, 7762864), (16, 4851790), (20, 3881432), (32, 2425895), (40, 1940716), (80, 970358), (160, 485179), (653, 118880), (743, 104480), (1306, 59440), (1486, 52240), (2612, 29720), (2972, 26120), (3265, 23776), (3715, 20896), (5224, 14860), (5944, 13060), (6530, 11888), (7430, 10448)]