2018097040

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1\times {\mathrm{839}}^1$

素因数の和:1240

約数の個数: 80

約数和(自身を含む): 4758445440

約数和(自身を除く): 2740348400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 281, 428, 535, 562, 839, 856, 1070, 1124, 1405, 1678, 1712, 2140, 2248, 2810, 3356, 4195, 4280, 4496, 5620, 6712, 8390, 8560, 11240, 13424, 16780, 22480, 30067, 33560, 60134, 67120, 89773, 120268, 150335, 179546, 235759, 240536, 300670, 359092, 448865, 471518, 481072, 601340, 718184, 897730, 943036, 1178795, 1202680, 1436368, 1795460, 1886072, 2357590, 2405360, 3590920, 3772144, 4715180, 7181840, 9430360, 18860720, 25226213, 50452426, 100904852, 126131065, 201809704, 252262130, 403619408, 504524260, 1009048520, 2018097040]

約数ペア:

[(1, 2018097040), (2, 1009048520), (4, 504524260), (5, 403619408), (8, 252262130), (10, 201809704), (16, 126131065), (20, 100904852), (40, 50452426), (80, 25226213), (107, 18860720), (214, 9430360), (281, 7181840), (428, 4715180), (535, 3772144), (562, 3590920), (839, 2405360), (856, 2357590), (1070, 1886072), (1124, 1795460), (1405, 1436368), (1678, 1202680), (1712, 1178795), (2140, 943036), (2248, 897730), (2810, 718184), (3356, 601340), (4195, 481072), (4280, 471518), (4496, 448865), (5620, 359092), (6712, 300670), (8390, 240536), (8560, 235759), (11240, 179546), (13424, 150335), (16780, 120268), (22480, 89773), (30067, 67120), (33560, 60134)]