28533640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23011}}^1$

素因数の和:23053

約数の個数: 32

約数和(自身を含む): 66274560

約数和(自身を除く): 37740920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23011, 46022, 92044, 115055, 184088, 230110, 460220, 713341, 920440, 1426682, 2853364, 3566705, 5706728, 7133410, 14266820, 28533640]

約数ペア:

[(1, 28533640), (2, 14266820), (4, 7133410), (5, 5706728), (8, 3566705), (10, 2853364), (20, 1426682), (31, 920440), (40, 713341), (62, 460220), (124, 230110), (155, 184088), (248, 115055), (310, 92044), (620, 46022), (1240, 23011)]