40721156

素因数分解:

$2^2\times 7^2\times {\mathrm{373}}^1\times {\mathrm{557}}^1$

素因数の和:948

約数の個数: 36

約数和(自身を含む): 83268108

約数和(自身を除く): 42546952

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 373, 557, 746, 1114, 1492, 2228, 2611, 3899, 5222, 7798, 10444, 15596, 18277, 27293, 36554, 54586, 73108, 109172, 207761, 415522, 831044, 1454327, 2908654, 5817308, 10180289, 20360578, 40721156]

約数ペア:

[(1, 40721156), (2, 20360578), (4, 10180289), (7, 5817308), (14, 2908654), (28, 1454327), (49, 831044), (98, 415522), (196, 207761), (373, 109172), (557, 73108), (746, 54586), (1114, 36554), (1492, 27293), (2228, 18277), (2611, 15596), (3899, 10444), (5222, 7798)]