86764640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28541}}^1$

素因数の和:28575

約数の個数: 48

約数和(自身を含む): 215777520

約数和(自身を除く): 129012880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 28541, 57082, 114164, 142705, 228328, 285410, 456656, 542279, 570820, 913312, 1084558, 1141640, 2169116, 2283280, 2711395, 4338232, 4566560, 5422790, 8676464, 10845580, 17352928, 21691160, 43382320, 86764640]

約数ペア:

[(1, 86764640), (2, 43382320), (4, 21691160), (5, 17352928), (8, 10845580), (10, 8676464), (16, 5422790), (19, 4566560), (20, 4338232), (32, 2711395), (38, 2283280), (40, 2169116), (76, 1141640), (80, 1084558), (95, 913312), (152, 570820), (160, 542279), (190, 456656), (304, 285410), (380, 228328), (608, 142705), (760, 114164), (1520, 57082), (3040, 28541)]