8619920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 21695040

約数和(自身を除く): 13075120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 53, 76, 80, 95, 106, 107, 152, 190, 212, 214, 265, 304, 380, 424, 428, 530, 535, 760, 848, 856, 1007, 1060, 1070, 1520, 1712, 2014, 2033, 2120, 2140, 4028, 4066, 4240, 4280, 5035, 5671, 8056, 8132, 8560, 10070, 10165, 11342, 16112, 16264, 20140, 20330, 22684, 28355, 32528, 40280, 40660, 45368, 56710, 80560, 81320, 90736, 107749, 113420, 162640, 215498, 226840, 430996, 453680, 538745, 861992, 1077490, 1723984, 2154980, 4309960, 8619920]

約数ペア:

[(1, 8619920), (2, 4309960), (4, 2154980), (5, 1723984), (8, 1077490), (10, 861992), (16, 538745), (19, 453680), (20, 430996), (38, 226840), (40, 215498), (53, 162640), (76, 113420), (80, 107749), (95, 90736), (106, 81320), (107, 80560), (152, 56710), (190, 45368), (212, 40660), (214, 40280), (265, 32528), (304, 28355), (380, 22684), (424, 20330), (428, 20140), (530, 16264), (535, 16112), (760, 11342), (848, 10165), (856, 10070), (1007, 8560), (1060, 8132), (1070, 8056), (1520, 5671), (1712, 5035), (2014, 4280), (2033, 4240), (2120, 4066), (2140, 4028)]