1955498240

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80407}}^1$

素因数の和:80447

約数の個数: 72

約数和(自身を含む): 4930618560

約数和(自身を除く): 2975120320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 12160, 24320, 80407, 160814, 321628, 402035, 643256, 804070, 1286512, 1527733, 1608140, 2573024, 3055466, 3216280, 5146048, 6110932, 6432560, 7638665, 10292096, 12221864, 12865120, 15277330, 20584192, 24443728, 25730240, 30554660, 48887456, 51460480, 61109320, 97774912, 102920960, 122218640, 195549824, 244437280, 391099648, 488874560, 977749120, 1955498240]

約数ペア:

[(1, 1955498240), (2, 977749120), (4, 488874560), (5, 391099648), (8, 244437280), (10, 195549824), (16, 122218640), (19, 102920960), (20, 97774912), (32, 61109320), (38, 51460480), (40, 48887456), (64, 30554660), (76, 25730240), (80, 24443728), (95, 20584192), (128, 15277330), (152, 12865120), (160, 12221864), (190, 10292096), (256, 7638665), (304, 6432560), (320, 6110932), (380, 5146048), (608, 3216280), (640, 3055466), (760, 2573024), (1216, 1608140), (1280, 1527733), (1520, 1286512), (2432, 804070), (3040, 643256), (4864, 402035), (6080, 321628), (12160, 160814), (24320, 80407)]