7899440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5197}}^1$

素因数の和:5229

約数の個数: 40

約数和(自身を含む): 19336560

約数和(自身を除く): 11437120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5197, 10394, 20788, 25985, 41576, 51970, 83152, 98743, 103940, 197486, 207880, 394972, 415760, 493715, 789944, 987430, 1579888, 1974860, 3949720, 7899440]

約数ペア:

[(1, 7899440), (2, 3949720), (4, 1974860), (5, 1579888), (8, 987430), (10, 789944), (16, 493715), (19, 415760), (20, 394972), (38, 207880), (40, 197486), (76, 103940), (80, 98743), (95, 83152), (152, 51970), (190, 41576), (304, 25985), (380, 20788), (760, 10394), (1520, 5197)]