7969520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 20415360

約数和(自身を除く): 12445840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 97, 104, 130, 158, 194, 208, 260, 316, 388, 395, 485, 520, 632, 776, 790, 970, 1027, 1040, 1261, 1264, 1552, 1580, 1940, 2054, 2522, 3160, 3880, 4108, 5044, 5135, 6305, 6320, 7663, 7760, 8216, 10088, 10270, 12610, 15326, 16432, 20176, 20540, 25220, 30652, 38315, 41080, 50440, 61304, 76630, 82160, 99619, 100880, 122608, 153260, 199238, 306520, 398476, 498095, 613040, 796952, 996190, 1593904, 1992380, 3984760, 7969520]

約数ペア:

[(1, 7969520), (2, 3984760), (4, 1992380), (5, 1593904), (8, 996190), (10, 796952), (13, 613040), (16, 498095), (20, 398476), (26, 306520), (40, 199238), (52, 153260), (65, 122608), (79, 100880), (80, 99619), (97, 82160), (104, 76630), (130, 61304), (158, 50440), (194, 41080), (208, 38315), (260, 30652), (316, 25220), (388, 20540), (395, 20176), (485, 16432), (520, 15326), (632, 12610), (776, 10270), (790, 10088), (970, 8216), (1027, 7760), (1040, 7663), (1261, 6320), (1264, 6305), (1552, 5135), (1580, 5044), (1940, 4108), (2054, 3880), (2522, 3160)]