71100320

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4993}}^1$

素因数の和:5097

約数の個数: 48

約数和(自身を含む): 169895880

約数和(自身を除く): 98795560

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, 4993, 7120, 9986, 14240, 19972, 24965, 39944, 49930, 79888, 99860, 159776, 199720, 399440, 444377, 798880, 888754, 1777508, 2221885, 3555016, 4443770, 7110032, 8887540, 14220064, 17775080, 35550160, 71100320]

約数ペア:

[(1, 71100320), (2, 35550160), (4, 17775080), (5, 14220064), (8, 8887540), (10, 7110032), (16, 4443770), (20, 3555016), (32, 2221885), (40, 1777508), (80, 888754), (89, 798880), (160, 444377), (178, 399440), (356, 199720), (445, 159776), (712, 99860), (890, 79888), (1424, 49930), (1780, 39944), (2848, 24965), (3560, 19972), (4993, 14240), (7120, 9986)]