123103520

素因数分解:

$2^5\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1567}}^1$

素因数の和:2073

約数の個数: 48

約数和(自身を含む): 291610368

約数和(自身を除く): 168506848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 491, 982, 1567, 1964, 2455, 3134, 3928, 4910, 6268, 7835, 7856, 9820, 12536, 15670, 15712, 19640, 25072, 31340, 39280, 50144, 62680, 78560, 125360, 250720, 769397, 1538794, 3077588, 3846985, 6155176, 7693970, 12310352, 15387940, 24620704, 30775880, 61551760, 123103520]

約数ペア:

[(1, 123103520), (2, 61551760), (4, 30775880), (5, 24620704), (8, 15387940), (10, 12310352), (16, 7693970), (20, 6155176), (32, 3846985), (40, 3077588), (80, 1538794), (160, 769397), (491, 250720), (982, 125360), (1567, 78560), (1964, 62680), (2455, 50144), (3134, 39280), (3928, 31340), (4910, 25072), (6268, 19640), (7835, 15712), (7856, 15670), (9820, 12536)]