31172480

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 76010400

約数和(自身を除く): 44837920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 919, 1060, 1696, 1838, 2120, 3392, 3676, 4240, 4595, 6784, 7352, 8480, 9190, 14704, 16960, 18380, 29408, 33920, 36760, 48707, 58816, 73520, 97414, 117632, 147040, 194828, 243535, 294080, 389656, 487070, 588160, 779312, 974140, 1558624, 1948280, 3117248, 3896560, 6234496, 7793120, 15586240, 31172480]

約数ペア:

[(1, 31172480), (2, 15586240), (4, 7793120), (5, 6234496), (8, 3896560), (10, 3117248), (16, 1948280), (20, 1558624), (32, 974140), (40, 779312), (53, 588160), (64, 487070), (80, 389656), (106, 294080), (128, 243535), (160, 194828), (212, 147040), (265, 117632), (320, 97414), (424, 73520), (530, 58816), (640, 48707), (848, 36760), (919, 33920), (1060, 29408), (1696, 18380), (1838, 16960), (2120, 14704), (3392, 9190), (3676, 8480), (4240, 7352), (4595, 6784)]