16379780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 20392060

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 911, 1798, 1822, 3596, 3644, 4495, 4555, 8990, 9110, 17980, 18220, 26419, 28241, 52838, 56482, 105676, 112964, 132095, 141205, 264190, 282410, 528380, 564820, 818989, 1637978, 3275956, 4094945, 8189890, 16379780]

約数ペア:

[(1, 16379780), (2, 8189890), (4, 4094945), (5, 3275956), (10, 1637978), (20, 818989), (29, 564820), (31, 528380), (58, 282410), (62, 264190), (116, 141205), (124, 132095), (145, 112964), (155, 105676), (290, 56482), (310, 52838), (580, 28241), (620, 26419), (899, 18220), (911, 17980), (1798, 9110), (1822, 8990), (3596, 4555), (3644, 4495)]