2013280120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{4679}}^1$

素因数の和:5068

約数の個数: 64

約数和(自身を含む): 4690483200

約数和(自身を除く): 2677203080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 347, 620, 694, 1240, 1388, 1735, 2776, 3470, 4679, 6940, 9358, 10757, 13880, 18716, 21514, 23395, 37432, 43028, 46790, 53785, 86056, 93580, 107570, 145049, 187160, 215140, 290098, 430280, 580196, 725245, 1160392, 1450490, 1623613, 2900980, 3247226, 5801960, 6494452, 8118065, 12988904, 16236130, 32472260, 50332003, 64944520, 100664006, 201328012, 251660015, 402656024, 503320030, 1006640060, 2013280120]

約数ペア:

[(1, 2013280120), (2, 1006640060), (4, 503320030), (5, 402656024), (8, 251660015), (10, 201328012), (20, 100664006), (31, 64944520), (40, 50332003), (62, 32472260), (124, 16236130), (155, 12988904), (248, 8118065), (310, 6494452), (347, 5801960), (620, 3247226), (694, 2900980), (1240, 1623613), (1388, 1450490), (1735, 1160392), (2776, 725245), (3470, 580196), (4679, 430280), (6940, 290098), (9358, 215140), (10757, 187160), (13880, 145049), (18716, 107570), (21514, 93580), (23395, 86056), (37432, 53785), (43028, 46790)]