40721128

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8761}}^1$

素因数の和:8857

約数の個数: 32

約数和(自身を含む): 88320960

約数和(自身を除く): 47599832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4648, 8761, 17522, 35044, 61327, 70088, 122654, 245308, 490616, 727163, 1454326, 2908652, 5090141, 5817304, 10180282, 20360564, 40721128]

約数ペア:

[(1, 40721128), (2, 20360564), (4, 10180282), (7, 5817304), (8, 5090141), (14, 2908652), (28, 1454326), (56, 727163), (83, 490616), (166, 245308), (332, 122654), (581, 70088), (664, 61327), (1162, 35044), (2324, 17522), (4648, 8761)]