129981760

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13103}}^1$

素因数の和:13151

約数の個数: 56

約数和(自身を含む): 319527936

約数和(自身を除く): 189546176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 13103, 26206, 52412, 65515, 104824, 131030, 209648, 262060, 406193, 419296, 524120, 812386, 838592, 1048240, 1624772, 2030965, 2096480, 3249544, 4061930, 4192960, 6499088, 8123860, 12998176, 16247720, 25996352, 32495440, 64990880, 129981760]

約数ペア:

[(1, 129981760), (2, 64990880), (4, 32495440), (5, 25996352), (8, 16247720), (10, 12998176), (16, 8123860), (20, 6499088), (31, 4192960), (32, 4061930), (40, 3249544), (62, 2096480), (64, 2030965), (80, 1624772), (124, 1048240), (155, 838592), (160, 812386), (248, 524120), (310, 419296), (320, 406193), (496, 262060), (620, 209648), (992, 131030), (1240, 104824), (1984, 65515), (2480, 52412), (4960, 26206), (9920, 13103)]