90580640

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6361}}^1$

素因数の和:6465

約数の個数: 48

約数和(自身を含む): 216435240

約数和(自身を除く): 125854600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 6361, 7120, 12722, 14240, 25444, 31805, 50888, 63610, 101776, 127220, 203552, 254440, 508880, 566129, 1017760, 1132258, 2264516, 2830645, 4529032, 5661290, 9058064, 11322580, 18116128, 22645160, 45290320, 90580640]

約数ペア:

[(1, 90580640), (2, 45290320), (4, 22645160), (5, 18116128), (8, 11322580), (10, 9058064), (16, 5661290), (20, 4529032), (32, 2830645), (40, 2264516), (80, 1132258), (89, 1017760), (160, 566129), (178, 508880), (356, 254440), (445, 203552), (712, 127220), (890, 101776), (1424, 63610), (1780, 50888), (2848, 31805), (3560, 25444), (6361, 14240), (7120, 12722)]