8049920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 20358240

約数和(自身を除く): 12308320

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, 331, 380, 608, 640, 662, 760, 1216, 1280, 1324, 1520, 1655, 2432, 2648, 3040, 3310, 4864, 5296, 6080, 6289, 6620, 10592, 12160, 12578, 13240, 21184, 24320, 25156, 26480, 31445, 42368, 50312, 52960, 62890, 84736, 100624, 105920, 125780, 201248, 211840, 251560, 402496, 423680, 503120, 804992, 1006240, 1609984, 2012480, 4024960, 8049920]

約数ペア:

[(1, 8049920), (2, 4024960), (4, 2012480), (5, 1609984), (8, 1006240), (10, 804992), (16, 503120), (19, 423680), (20, 402496), (32, 251560), (38, 211840), (40, 201248), (64, 125780), (76, 105920), (80, 100624), (95, 84736), (128, 62890), (152, 52960), (160, 50312), (190, 42368), (256, 31445), (304, 26480), (320, 25156), (331, 24320), (380, 21184), (608, 13240), (640, 12578), (662, 12160), (760, 10592), (1216, 6620), (1280, 6289), (1324, 6080), (1520, 5296), (1655, 4864), (2432, 3310), (2648, 3040)]