65027840

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 157616928

約数和(自身を除く): 92589088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 503, 505, 640, 808, 1006, 1010, 1280, 1616, 2012, 2020, 2515, 3232, 4024, 4040, 5030, 6464, 8048, 8080, 10060, 12928, 16096, 16160, 20120, 25856, 32192, 32320, 40240, 50803, 64384, 64640, 80480, 101606, 128768, 129280, 160960, 203212, 254015, 321920, 406424, 508030, 643840, 812848, 1016060, 1625696, 2032120, 3251392, 4064240, 6502784, 8128480, 13005568, 16256960, 32513920, 65027840]

約数ペア:

[(1, 65027840), (2, 32513920), (4, 16256960), (5, 13005568), (8, 8128480), (10, 6502784), (16, 4064240), (20, 3251392), (32, 2032120), (40, 1625696), (64, 1016060), (80, 812848), (101, 643840), (128, 508030), (160, 406424), (202, 321920), (256, 254015), (320, 203212), (404, 160960), (503, 129280), (505, 128768), (640, 101606), (808, 80480), (1006, 64640), (1010, 64384), (1280, 50803), (1616, 40240), (2012, 32320), (2020, 32192), (2515, 25856), (3232, 20120), (4024, 16160), (4040, 16096), (5030, 12928), (6464, 10060), (8048, 8080)]