64272820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2141}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 143942400

約数和(自身を除く): 79669580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 2141, 3002, 4282, 6004, 7505, 8564, 10705, 15010, 21410, 30020, 40679, 42820, 81358, 162716, 169139, 203395, 338278, 406790, 676556, 813580, 845695, 1691390, 3213641, 3382780, 6427282, 12854564, 16068205, 32136410, 64272820]

約数ペア:

[(1, 64272820), (2, 32136410), (4, 16068205), (5, 12854564), (10, 6427282), (19, 3382780), (20, 3213641), (38, 1691390), (76, 845695), (79, 813580), (95, 676556), (158, 406790), (190, 338278), (316, 203395), (380, 169139), (395, 162716), (790, 81358), (1501, 42820), (1580, 40679), (2141, 30020), (3002, 21410), (4282, 15010), (6004, 10705), (7505, 8564)]