138989120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14011}}^1$

素因数の和:14059

約数の個数: 56

約数和(自身を含む): 341668608

約数和(自身を除く): 202679488

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, 14011, 28022, 56044, 70055, 112088, 140110, 224176, 280220, 434341, 448352, 560440, 868682, 896704, 1120880, 1737364, 2171705, 2241760, 3474728, 4343410, 4483520, 6949456, 8686820, 13898912, 17373640, 27797824, 34747280, 69494560, 138989120]

約数ペア:

[(1, 138989120), (2, 69494560), (4, 34747280), (5, 27797824), (8, 17373640), (10, 13898912), (16, 8686820), (20, 6949456), (31, 4483520), (32, 4343410), (40, 3474728), (62, 2241760), (64, 2171705), (80, 1737364), (124, 1120880), (155, 896704), (160, 868682), (248, 560440), (310, 448352), (320, 434341), (496, 280220), (620, 224176), (992, 140110), (1240, 112088), (1984, 70055), (2480, 56044), (4960, 28022), (9920, 14011)]