259944920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5113}}^1$

素因数の和:5196

約数の個数: 64

約数和(自身を含む): 618589440

約数和(自身を除く): 358644520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 5084, 5113, 6355, 10168, 10226, 12710, 20452, 25420, 25565, 40904, 50840, 51130, 102260, 158503, 204520, 209633, 317006, 419266, 634012, 792515, 838532, 1048165, 1268024, 1585030, 1677064, 2096330, 3170060, 4192660, 6340120, 6498623, 8385320, 12997246, 25994492, 32493115, 51988984, 64986230, 129972460, 259944920]

約数ペア:

[(1, 259944920), (2, 129972460), (4, 64986230), (5, 51988984), (8, 32493115), (10, 25994492), (20, 12997246), (31, 8385320), (40, 6498623), (41, 6340120), (62, 4192660), (82, 3170060), (124, 2096330), (155, 1677064), (164, 1585030), (205, 1268024), (248, 1048165), (310, 838532), (328, 792515), (410, 634012), (620, 419266), (820, 317006), (1240, 209633), (1271, 204520), (1640, 158503), (2542, 102260), (5084, 51130), (5113, 50840), (6355, 40904), (10168, 25565), (10226, 25420), (12710, 20452)]