16659520

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:755

約数の個数: 56

約数和(自身を含む): 40233600

約数和(自身を除く): 23574080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 659, 790, 1264, 1318, 1580, 2528, 2636, 3160, 3295, 5056, 5272, 6320, 6590, 10544, 12640, 13180, 21088, 25280, 26360, 42176, 52061, 52720, 104122, 105440, 208244, 210880, 260305, 416488, 520610, 832976, 1041220, 1665952, 2082440, 3331904, 4164880, 8329760, 16659520]

約数ペア:

[(1, 16659520), (2, 8329760), (4, 4164880), (5, 3331904), (8, 2082440), (10, 1665952), (16, 1041220), (20, 832976), (32, 520610), (40, 416488), (64, 260305), (79, 210880), (80, 208244), (158, 105440), (160, 104122), (316, 52720), (320, 52061), (395, 42176), (632, 26360), (659, 25280), (790, 21088), (1264, 13180), (1318, 12640), (1580, 10544), (2528, 6590), (2636, 6320), (3160, 5272), (3295, 5056)]