2013168880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{3391}}^1$

素因数の和:3626

約数の個数: 80

約数和(自身を含む): 4822691328

約数和(自身を除く): 2809522448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 181, 205, 328, 362, 410, 656, 724, 820, 905, 1448, 1640, 1810, 2896, 3280, 3391, 3620, 6782, 7240, 7421, 13564, 14480, 14842, 16955, 27128, 29684, 33910, 37105, 54256, 59368, 67820, 74210, 118736, 135640, 139031, 148420, 271280, 278062, 296840, 556124, 593680, 613771, 695155, 1112248, 1227542, 1390310, 2224496, 2455084, 2780620, 3068855, 4910168, 5561240, 6137710, 9820336, 11122480, 12275420, 24550840, 25164611, 49101680, 50329222, 100658444, 125823055, 201316888, 251646110, 402633776, 503292220, 1006584440, 2013168880]

約数ペア:

[(1, 2013168880), (2, 1006584440), (4, 503292220), (5, 402633776), (8, 251646110), (10, 201316888), (16, 125823055), (20, 100658444), (40, 50329222), (41, 49101680), (80, 25164611), (82, 24550840), (164, 12275420), (181, 11122480), (205, 9820336), (328, 6137710), (362, 5561240), (410, 4910168), (656, 3068855), (724, 2780620), (820, 2455084), (905, 2224496), (1448, 1390310), (1640, 1227542), (1810, 1112248), (2896, 695155), (3280, 613771), (3391, 593680), (3620, 556124), (6782, 296840), (7240, 278062), (7421, 271280), (13564, 148420), (14480, 139031), (14842, 135640), (16955, 118736), (27128, 74210), (29684, 67820), (33910, 59368), (37105, 54256)]