8024240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 22900320

約数和(自身を除く): 14876080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 89, 92, 98, 112, 115, 140, 161, 178, 184, 196, 230, 245, 280, 322, 356, 368, 392, 445, 460, 490, 560, 623, 644, 712, 784, 805, 890, 920, 980, 1127, 1246, 1288, 1424, 1610, 1780, 1840, 1960, 2047, 2254, 2492, 2576, 3115, 3220, 3560, 3920, 4094, 4361, 4508, 4984, 5635, 6230, 6440, 7120, 8188, 8722, 9016, 9968, 10235, 11270, 12460, 12880, 14329, 16376, 17444, 18032, 20470, 21805, 22540, 24920, 28658, 32752, 34888, 40940, 43610, 45080, 49840, 57316, 69776, 71645, 81880, 87220, 90160, 100303, 114632, 143290, 163760, 174440, 200606, 229264, 286580, 348880, 401212, 501515, 573160, 802424, 1003030, 1146320, 1604848, 2006060, 4012120, 8024240]

約数ペア:

[(1, 8024240), (2, 4012120), (4, 2006060), (5, 1604848), (7, 1146320), (8, 1003030), (10, 802424), (14, 573160), (16, 501515), (20, 401212), (23, 348880), (28, 286580), (35, 229264), (40, 200606), (46, 174440), (49, 163760), (56, 143290), (70, 114632), (80, 100303), (89, 90160), (92, 87220), (98, 81880), (112, 71645), (115, 69776), (140, 57316), (161, 49840), (178, 45080), (184, 43610), (196, 40940), (230, 34888), (245, 32752), (280, 28658), (322, 24920), (356, 22540), (368, 21805), (392, 20470), (445, 18032), (460, 17444), (490, 16376), (560, 14329), (623, 12880), (644, 12460), (712, 11270), (784, 10235), (805, 9968), (890, 9016), (920, 8722), (980, 8188), (1127, 7120), (1246, 6440), (1288, 6230), (1424, 5635), (1610, 4984), (1780, 4508), (1840, 4361), (1960, 4094), (2047, 3920), (2254, 3560), (2492, 3220), (2576, 3115)]