85100.000000

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:72

約数の個数: 60

約数和(自身を含む): 565068

約数和(自身を除く): 351868

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 41, 50, 52, 65, 80, 82, 100, 104, 130, 164, 200, 205, 208, 260, 325, 328, 400, 410, 520, 533, 650, 656, 820, 1025, 1040, 1066, 1300, 1640, 2050, 2132, 2600, 2665, 3280, 4100, 4264, 5200, 5330, 8200, 8528, 10660, 13325, 16400, 21320, 26650, 42640, 53300, 106600, 213200]

約数ペア:

[(1, 213200), (2, 106600), (4, 53300), (5, 42640), (8, 26650), (10, 21320), (13, 16400), (16, 13325), (20, 10660), (25, 8528), (26, 8200), (40, 5330), (41, 5200), (50, 4264), (52, 4100), (65, 3280), (80, 2665), (82, 2600), (100, 2132), (104, 2050), (130, 1640), (164, 1300), (200, 1066), (205, 1040), (208, 1025), (260, 820), (325, 656), (328, 650), (400, 533), (410, 520)]