487582640

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{12413}}^1$

素因数の和:12917

約数の個数: 40

約数和(自身を含む): 1136029968

約数和(自身を除く): 648447328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 12413, 19640, 24826, 39280, 49652, 62065, 99304, 124130, 198608, 248260, 496520, 993040, 6094783, 12189566, 24379132, 30473915, 48758264, 60947830, 97516528, 121895660, 243791320, 487582640]

約数ペア:

[(1, 487582640), (2, 243791320), (4, 121895660), (5, 97516528), (8, 60947830), (10, 48758264), (16, 30473915), (20, 24379132), (40, 12189566), (80, 6094783), (491, 993040), (982, 496520), (1964, 248260), (2455, 198608), (3928, 124130), (4910, 99304), (7856, 62065), (9820, 49652), (12413, 39280), (19640, 24826)]