40990486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 67392000

約数和(自身を除く): 26401514

約数列:

[1, 2, 19, 38, 47, 59, 94, 118, 389, 778, 893, 1121, 1786, 2242, 2773, 5546, 7391, 14782, 18283, 22951, 36566, 45902, 52687, 105374, 347377, 436069, 694754, 872138, 1078697, 2157394, 20495243, 40990486]

約数ペア:

[(1, 40990486), (2, 20495243), (19, 2157394), (38, 1078697), (47, 872138), (59, 694754), (94, 436069), (118, 347377), (389, 105374), (778, 52687), (893, 45902), (1121, 36566), (1786, 22951), (2242, 18283), (2773, 14782), (5546, 7391)]