12647680

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 31162824

約数和(自身を除く): 18515144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 241, 256, 320, 328, 410, 482, 640, 656, 820, 964, 1205, 1280, 1312, 1640, 1928, 2410, 2624, 3280, 3856, 4820, 5248, 6560, 7712, 9640, 9881, 10496, 13120, 15424, 19280, 19762, 26240, 30848, 38560, 39524, 49405, 52480, 61696, 77120, 79048, 98810, 154240, 158096, 197620, 308480, 316192, 395240, 632384, 790480, 1264768, 1580960, 2529536, 3161920, 6323840, 12647680]

約数ペア:

[(1, 12647680), (2, 6323840), (4, 3161920), (5, 2529536), (8, 1580960), (10, 1264768), (16, 790480), (20, 632384), (32, 395240), (40, 316192), (41, 308480), (64, 197620), (80, 158096), (82, 154240), (128, 98810), (160, 79048), (164, 77120), (205, 61696), (241, 52480), (256, 49405), (320, 39524), (328, 38560), (410, 30848), (482, 26240), (640, 19762), (656, 19280), (820, 15424), (964, 13120), (1205, 10496), (1280, 9881), (1312, 9640), (1640, 7712), (1928, 6560), (2410, 5248), (2624, 4820), (3280, 3856)]