2019069440

素因数分解:

$2^9\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2081}}^1$

素因数の和:2483

約数の個数: 80

約数和(自身を含む): 4856140080

約数和(自身を除く): 2837070640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 379, 512, 640, 758, 1280, 1516, 1895, 2081, 2560, 3032, 3790, 4162, 6064, 7580, 8324, 10405, 12128, 15160, 16648, 20810, 24256, 30320, 33296, 41620, 48512, 60640, 66592, 83240, 97024, 121280, 133184, 166480, 194048, 242560, 266368, 332960, 485120, 532736, 665920, 788699, 970240, 1065472, 1331840, 1577398, 2663680, 3154796, 3943495, 5327360, 6309592, 7886990, 12619184, 15773980, 25238368, 31547960, 50476736, 63095920, 100953472, 126191840, 201906944, 252383680, 403813888, 504767360, 1009534720, 2019069440]

約数ペア:

[(1, 2019069440), (2, 1009534720), (4, 504767360), (5, 403813888), (8, 252383680), (10, 201906944), (16, 126191840), (20, 100953472), (32, 63095920), (40, 50476736), (64, 31547960), (80, 25238368), (128, 15773980), (160, 12619184), (256, 7886990), (320, 6309592), (379, 5327360), (512, 3943495), (640, 3154796), (758, 2663680), (1280, 1577398), (1516, 1331840), (1895, 1065472), (2081, 970240), (2560, 788699), (3032, 665920), (3790, 532736), (4162, 485120), (6064, 332960), (7580, 266368), (8324, 242560), (10405, 194048), (12128, 166480), (15160, 133184), (16648, 121280), (20810, 97024), (24256, 83240), (30320, 66592), (33296, 60640), (41620, 48512)]