18052480

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 43904880

約数和(自身を除く): 25852400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 421, 536, 640, 670, 842, 1072, 1340, 1684, 2105, 2144, 2680, 3368, 4210, 4288, 5360, 6736, 8420, 8576, 10720, 13472, 16840, 21440, 26944, 28207, 33680, 42880, 53888, 56414, 67360, 112828, 134720, 141035, 225656, 269440, 282070, 451312, 564140, 902624, 1128280, 1805248, 2256560, 3610496, 4513120, 9026240, 18052480]

約数ペア:

[(1, 18052480), (2, 9026240), (4, 4513120), (5, 3610496), (8, 2256560), (10, 1805248), (16, 1128280), (20, 902624), (32, 564140), (40, 451312), (64, 282070), (67, 269440), (80, 225656), (128, 141035), (134, 134720), (160, 112828), (268, 67360), (320, 56414), (335, 53888), (421, 42880), (536, 33680), (640, 28207), (670, 26944), (842, 21440), (1072, 16840), (1340, 13472), (1684, 10720), (2105, 8576), (2144, 8420), (2680, 6736), (3368, 5360), (4210, 4288)]