259963520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13103}}^1$

素因数の和:13153

約数の個数: 64

約数和(自身を含む): 641571840

約数和(自身を除く): 381608320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 13103, 19840, 26206, 52412, 65515, 104824, 131030, 209648, 262060, 406193, 419296, 524120, 812386, 838592, 1048240, 1624772, 1677184, 2030965, 2096480, 3249544, 4061930, 4192960, 6499088, 8123860, 8385920, 12998176, 16247720, 25996352, 32495440, 51992704, 64990880, 129981760, 259963520]

約数ペア:

[(1, 259963520), (2, 129981760), (4, 64990880), (5, 51992704), (8, 32495440), (10, 25996352), (16, 16247720), (20, 12998176), (31, 8385920), (32, 8123860), (40, 6499088), (62, 4192960), (64, 4061930), (80, 3249544), (124, 2096480), (128, 2030965), (155, 1677184), (160, 1624772), (248, 1048240), (310, 838592), (320, 812386), (496, 524120), (620, 419296), (640, 406193), (992, 262060), (1240, 209648), (1984, 131030), (2480, 104824), (3968, 65515), (4960, 52412), (9920, 26206), (13103, 19840)]