16331420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 41803776

約数和(自身を除く): 25472356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 53, 62, 70, 71, 106, 124, 140, 142, 155, 212, 217, 265, 284, 310, 355, 371, 434, 497, 530, 620, 710, 742, 868, 994, 1060, 1085, 1420, 1484, 1643, 1855, 1988, 2170, 2201, 2485, 3286, 3710, 3763, 4340, 4402, 4970, 6572, 7420, 7526, 8215, 8804, 9940, 11005, 11501, 15052, 15407, 16430, 18815, 22010, 23002, 26341, 30814, 32860, 37630, 44020, 46004, 52682, 57505, 61628, 75260, 77035, 105364, 115010, 116653, 131705, 154070, 230020, 233306, 263410, 308140, 466612, 526820, 583265, 816571, 1166530, 1633142, 2333060, 3266284, 4082855, 8165710, 16331420]

約数ペア:

[(1, 16331420), (2, 8165710), (4, 4082855), (5, 3266284), (7, 2333060), (10, 1633142), (14, 1166530), (20, 816571), (28, 583265), (31, 526820), (35, 466612), (53, 308140), (62, 263410), (70, 233306), (71, 230020), (106, 154070), (124, 131705), (140, 116653), (142, 115010), (155, 105364), (212, 77035), (217, 75260), (265, 61628), (284, 57505), (310, 52682), (355, 46004), (371, 44020), (434, 37630), (497, 32860), (530, 30814), (620, 26341), (710, 23002), (742, 22010), (868, 18815), (994, 16430), (1060, 15407), (1085, 15052), (1420, 11501), (1484, 11005), (1643, 9940), (1855, 8804), (1988, 8215), (2170, 7526), (2201, 7420), (2485, 6572), (3286, 4970), (3710, 4402), (3763, 4340)]