128362540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1613}}^1$

素因数の和:1818

約数の個数: 48

約数和(自身を含む): 283082688

約数和(自身を除く): 154720148

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 173, 230, 346, 460, 692, 865, 1613, 1730, 3226, 3460, 3979, 6452, 7958, 8065, 15916, 16130, 19895, 32260, 37099, 39790, 74198, 79580, 148396, 185495, 279049, 370990, 558098, 741980, 1116196, 1395245, 2790490, 5580980, 6418127, 12836254, 25672508, 32090635, 64181270, 128362540]

約数ペア:

[(1, 128362540), (2, 64181270), (4, 32090635), (5, 25672508), (10, 12836254), (20, 6418127), (23, 5580980), (46, 2790490), (92, 1395245), (115, 1116196), (173, 741980), (230, 558098), (346, 370990), (460, 279049), (692, 185495), (865, 148396), (1613, 79580), (1730, 74198), (3226, 39790), (3460, 37099), (3979, 32260), (6452, 19895), (7958, 16130), (8065, 15916)]