40335640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 92607840

約数和(自身を除く): 52272200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 271, 305, 488, 542, 610, 1084, 1220, 1355, 2168, 2440, 2710, 3721, 5420, 7442, 10840, 14884, 16531, 18605, 29768, 33062, 37210, 66124, 74420, 82655, 132248, 148840, 165310, 330620, 661240, 1008391, 2016782, 4033564, 5041955, 8067128, 10083910, 20167820, 40335640]

約数ペア:

[(1, 40335640), (2, 20167820), (4, 10083910), (5, 8067128), (8, 5041955), (10, 4033564), (20, 2016782), (40, 1008391), (61, 661240), (122, 330620), (244, 165310), (271, 148840), (305, 132248), (488, 82655), (542, 74420), (610, 66124), (1084, 37210), (1220, 33062), (1355, 29768), (2168, 18605), (2440, 16531), (2710, 14884), (3721, 10840), (5420, 7442)]