67050820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 143942400

約数和(自身を除く): 76891580

約数列:

[1, 2, 4, 5, 10, 20, 89, 139, 178, 271, 278, 356, 445, 542, 556, 695, 890, 1084, 1355, 1390, 1780, 2710, 2780, 5420, 12371, 24119, 24742, 37669, 48238, 49484, 61855, 75338, 96476, 120595, 123710, 150676, 188345, 241190, 247420, 376690, 482380, 753380, 3352541, 6705082, 13410164, 16762705, 33525410, 67050820]

約数ペア:

[(1, 67050820), (2, 33525410), (4, 16762705), (5, 13410164), (10, 6705082), (20, 3352541), (89, 753380), (139, 482380), (178, 376690), (271, 247420), (278, 241190), (356, 188345), (445, 150676), (542, 123710), (556, 120595), (695, 96476), (890, 75338), (1084, 61855), (1355, 49484), (1390, 48238), (1780, 37669), (2710, 24742), (2780, 24119), (5420, 12371)]