18748480

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1429}}^1$

素因数の和:1487

約数の個数: 56

約数和(自身を含む): 45765720

約数和(自身を除く): 27017240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1429, 1640, 2624, 2858, 3280, 5716, 6560, 7145, 11432, 13120, 14290, 22864, 28580, 45728, 57160, 58589, 91456, 114320, 117178, 228640, 234356, 292945, 457280, 468712, 585890, 937424, 1171780, 1874848, 2343560, 3749696, 4687120, 9374240, 18748480]

約数ペア:

[(1, 18748480), (2, 9374240), (4, 4687120), (5, 3749696), (8, 2343560), (10, 1874848), (16, 1171780), (20, 937424), (32, 585890), (40, 468712), (41, 457280), (64, 292945), (80, 234356), (82, 228640), (160, 117178), (164, 114320), (205, 91456), (320, 58589), (328, 57160), (410, 45728), (656, 28580), (820, 22864), (1312, 14290), (1429, 13120), (1640, 11432), (2624, 7145), (2858, 6560), (3280, 5716)]