80108140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1967

約数の個数: 72

約数和(自身を含む): 200349072

約数和(自身を除く): 120240932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 1901, 2107, 3010, 3802, 4214, 6020, 7604, 8428, 9505, 10535, 13307, 19010, 21070, 26614, 38020, 42140, 53228, 66535, 81743, 93149, 133070, 163486, 186298, 266140, 326972, 372596, 408715, 465745, 572201, 817430, 931490, 1144402, 1634860, 1862980, 2288804, 2861005, 4005407, 5722010, 8010814, 11444020, 16021628, 20027035, 40054070, 80108140]

約数ペア:

[(1, 80108140), (2, 40054070), (4, 20027035), (5, 16021628), (7, 11444020), (10, 8010814), (14, 5722010), (20, 4005407), (28, 2861005), (35, 2288804), (43, 1862980), (49, 1634860), (70, 1144402), (86, 931490), (98, 817430), (140, 572201), (172, 465745), (196, 408715), (215, 372596), (245, 326972), (301, 266140), (430, 186298), (490, 163486), (602, 133070), (860, 93149), (980, 81743), (1204, 66535), (1505, 53228), (1901, 42140), (2107, 38020), (3010, 26614), (3802, 21070), (4214, 19010), (6020, 13307), (7604, 10535), (8428, 9505)]