2556156640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{840841}}^1$

素因数の和:840875

約数の個数: 48

約数和(自身を含む): 6356765520

約数和(自身を除く): 3800608880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 840841, 1681682, 3363364, 4204205, 6726728, 8408410, 13453456, 15975979, 16816820, 26906912, 31951958, 33633640, 63903916, 67267280, 79879895, 127807832, 134534560, 159759790, 255615664, 319519580, 511231328, 639039160, 1278078320, 2556156640]

約数ペア:

[(1, 2556156640), (2, 1278078320), (4, 639039160), (5, 511231328), (8, 319519580), (10, 255615664), (16, 159759790), (19, 134534560), (20, 127807832), (32, 79879895), (38, 67267280), (40, 63903916), (76, 33633640), (80, 31951958), (95, 26906912), (152, 16816820), (160, 15975979), (190, 13453456), (304, 8408410), (380, 6726728), (608, 4204205), (760, 3363364), (1520, 1681682), (3040, 840841)]