16336840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 40143600

約数和(自身を除く): 23806760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 353, 356, 445, 520, 706, 712, 890, 1157, 1412, 1765, 1780, 2314, 2824, 3530, 3560, 4589, 4628, 5785, 7060, 9178, 9256, 11570, 14120, 18356, 22945, 23140, 31417, 36712, 45890, 46280, 62834, 91780, 125668, 157085, 183560, 251336, 314170, 408421, 628340, 816842, 1256680, 1633684, 2042105, 3267368, 4084210, 8168420, 16336840]

約数ペア:

[(1, 16336840), (2, 8168420), (4, 4084210), (5, 3267368), (8, 2042105), (10, 1633684), (13, 1256680), (20, 816842), (26, 628340), (40, 408421), (52, 314170), (65, 251336), (89, 183560), (104, 157085), (130, 125668), (178, 91780), (260, 62834), (353, 46280), (356, 45890), (445, 36712), (520, 31417), (706, 23140), (712, 22945), (890, 18356), (1157, 14120), (1412, 11570), (1765, 9256), (1780, 9178), (2314, 7060), (2824, 5785), (3530, 4628), (3560, 4589)]