255269440

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5081}}^1$

素因数の和:5255

約数の個数: 56

約数和(自身を含む): 611852472

約数和(自身を除く): 356583032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1570, 2512, 3140, 5024, 5081, 6280, 10048, 10162, 12560, 20324, 25120, 25405, 40648, 50240, 50810, 81296, 101620, 162592, 203240, 325184, 406480, 797717, 812960, 1595434, 1625920, 3190868, 3988585, 6381736, 7977170, 12763472, 15954340, 25526944, 31908680, 51053888, 63817360, 127634720, 255269440]

約数ペア:

[(1, 255269440), (2, 127634720), (4, 63817360), (5, 51053888), (8, 31908680), (10, 25526944), (16, 15954340), (20, 12763472), (32, 7977170), (40, 6381736), (64, 3988585), (80, 3190868), (157, 1625920), (160, 1595434), (314, 812960), (320, 797717), (628, 406480), (785, 325184), (1256, 203240), (1570, 162592), (2512, 101620), (3140, 81296), (5024, 50810), (5081, 50240), (6280, 40648), (10048, 25405), (10162, 25120), (12560, 20324)]