38728960

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 94187520

約数和(自身を除く): 55458560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 383, 395, 632, 640, 766, 790, 1264, 1280, 1532, 1580, 1915, 2528, 3064, 3160, 3830, 5056, 6128, 6320, 7660, 10112, 12256, 12640, 15320, 20224, 24512, 25280, 30257, 30640, 49024, 50560, 60514, 61280, 98048, 101120, 121028, 122560, 151285, 242056, 245120, 302570, 484112, 490240, 605140, 968224, 1210280, 1936448, 2420560, 3872896, 4841120, 7745792, 9682240, 19364480, 38728960]

約数ペア:

[(1, 38728960), (2, 19364480), (4, 9682240), (5, 7745792), (8, 4841120), (10, 3872896), (16, 2420560), (20, 1936448), (32, 1210280), (40, 968224), (64, 605140), (79, 490240), (80, 484112), (128, 302570), (158, 245120), (160, 242056), (256, 151285), (316, 122560), (320, 121028), (383, 101120), (395, 98048), (632, 61280), (640, 60514), (766, 50560), (790, 49024), (1264, 30640), (1280, 30257), (1532, 25280), (1580, 24512), (1915, 20224), (2528, 15320), (3064, 12640), (3160, 12256), (3830, 10112), (5056, 7660), (6128, 6320)]