83321080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6449}}^1$

素因数の和:6496

約数の個数: 64

約数和(自身を含む): 208980000

約数和(自身を除く): 125658920

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6449, 6460, 12898, 12920, 25796, 32245, 51592, 64490, 109633, 122531, 128980, 219266, 245062, 257960, 438532, 490124, 548165, 612655, 877064, 980248, 1096330, 1225310, 2083027, 2192660, 2450620, 4166054, 4385320, 4901240, 8332108, 10415135, 16664216, 20830270, 41660540, 83321080]

約数ペア:

[(1, 83321080), (2, 41660540), (4, 20830270), (5, 16664216), (8, 10415135), (10, 8332108), (17, 4901240), (19, 4385320), (20, 4166054), (34, 2450620), (38, 2192660), (40, 2083027), (68, 1225310), (76, 1096330), (85, 980248), (95, 877064), (136, 612655), (152, 548165), (170, 490124), (190, 438532), (323, 257960), (340, 245062), (380, 219266), (646, 128980), (680, 122531), (760, 109633), (1292, 64490), (1615, 51592), (2584, 32245), (3230, 25796), (6449, 12920), (6460, 12898)]