70257920

素因数分解:

$2^8\times 5^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 169979040

約数和(自身を除く): 99721120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 256, 262, 320, 419, 524, 640, 655, 838, 1048, 1280, 1310, 1676, 2095, 2096, 2620, 3352, 4190, 4192, 5240, 6704, 8380, 8384, 10480, 13408, 16760, 16768, 20960, 26816, 33520, 33536, 41920, 53632, 54889, 67040, 83840, 107264, 109778, 134080, 167680, 219556, 268160, 274445, 439112, 536320, 548890, 878224, 1097780, 1756448, 2195560, 3512896, 4391120, 7025792, 8782240, 14051584, 17564480, 35128960, 70257920]

約数ペア:

[(1, 70257920), (2, 35128960), (4, 17564480), (5, 14051584), (8, 8782240), (10, 7025792), (16, 4391120), (20, 3512896), (32, 2195560), (40, 1756448), (64, 1097780), (80, 878224), (128, 548890), (131, 536320), (160, 439112), (256, 274445), (262, 268160), (320, 219556), (419, 167680), (524, 134080), (640, 109778), (655, 107264), (838, 83840), (1048, 67040), (1280, 54889), (1310, 53632), (1676, 41920), (2095, 33536), (2096, 33520), (2620, 26816), (3352, 20960), (4190, 16768), (4192, 16760), (5240, 13408), (6704, 10480), (8380, 8384)]