8403680

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1059

約数の個数: 48

約数和(自身を含む): 20248704

約数和(自身を除く): 11845024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 991, 1060, 1696, 1982, 2120, 3964, 4240, 4955, 7928, 8480, 9910, 15856, 19820, 31712, 39640, 52523, 79280, 105046, 158560, 210092, 262615, 420184, 525230, 840368, 1050460, 1680736, 2100920, 4201840, 8403680]

約数ペア:

[(1, 8403680), (2, 4201840), (4, 2100920), (5, 1680736), (8, 1050460), (10, 840368), (16, 525230), (20, 420184), (32, 262615), (40, 210092), (53, 158560), (80, 105046), (106, 79280), (160, 52523), (212, 39640), (265, 31712), (424, 19820), (530, 15856), (848, 9910), (991, 8480), (1060, 7928), (1696, 4955), (1982, 4240), (2120, 3964)]