12500480

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 80

約数和(自身を含む): 31672080

約数和(自身を除く): 19171600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 257, 304, 320, 380, 512, 514, 608, 640, 760, 1028, 1216, 1280, 1285, 1520, 2056, 2432, 2560, 2570, 3040, 4112, 4864, 4883, 5140, 6080, 8224, 9728, 9766, 10280, 12160, 16448, 19532, 20560, 24320, 24415, 32896, 39064, 41120, 48640, 48830, 65792, 78128, 82240, 97660, 131584, 156256, 164480, 195320, 312512, 328960, 390640, 625024, 657920, 781280, 1250048, 1562560, 2500096, 3125120, 6250240, 12500480]

約数ペア:

[(1, 12500480), (2, 6250240), (4, 3125120), (5, 2500096), (8, 1562560), (10, 1250048), (16, 781280), (19, 657920), (20, 625024), (32, 390640), (38, 328960), (40, 312512), (64, 195320), (76, 164480), (80, 156256), (95, 131584), (128, 97660), (152, 82240), (160, 78128), (190, 65792), (256, 48830), (257, 48640), (304, 41120), (320, 39064), (380, 32896), (512, 24415), (514, 24320), (608, 20560), (640, 19532), (760, 16448), (1028, 12160), (1216, 10280), (1280, 9766), (1285, 9728), (1520, 8224), (2056, 6080), (2432, 5140), (2560, 4883), (2570, 4864), (3040, 4112)]