20135598640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{49811}}^1$

素因数の和:50018

約数の個数: 80

約数和(自身を含む): 48622887936

約数和(自身を除く): 28487289296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 248, 310, 326, 496, 620, 652, 815, 1240, 1304, 1630, 2480, 2608, 3260, 5053, 6520, 10106, 13040, 20212, 25265, 40424, 49811, 50530, 80848, 99622, 101060, 199244, 202120, 249055, 398488, 404240, 498110, 796976, 996220, 1544141, 1992440, 3088282, 3984880, 6176564, 7720705, 8119193, 12353128, 15441410, 16238386, 24706256, 30882820, 32476772, 40595965, 61765640, 64953544, 81191930, 123531280, 129907088, 162383860, 251694983, 324767720, 503389966, 649535440, 1006779932, 1258474915, 2013559864, 2516949830, 4027119728, 5033899660, 10067799320, 20135598640]

約数ペア:

[(1, 20135598640), (2, 10067799320), (4, 5033899660), (5, 4027119728), (8, 2516949830), (10, 2013559864), (16, 1258474915), (20, 1006779932), (31, 649535440), (40, 503389966), (62, 324767720), (80, 251694983), (124, 162383860), (155, 129907088), (163, 123531280), (248, 81191930), (310, 64953544), (326, 61765640), (496, 40595965), (620, 32476772), (652, 30882820), (815, 24706256), (1240, 16238386), (1304, 15441410), (1630, 12353128), (2480, 8119193), (2608, 7720705), (3260, 6176564), (5053, 3984880), (6520, 3088282), (10106, 1992440), (13040, 1544141), (20212, 996220), (25265, 796976), (40424, 498110), (49811, 404240), (50530, 398488), (80848, 249055), (99622, 202120), (101060, 199244)]